SAT College

In a study of cell phone use and brain hemispheric​ dominance, an Internet survey was​ e-mailed to 2473 subjects randomly selected from an online group involved with ears. 1181 surveys were returned. Construct a 90​% confidence interval for the proportion of returned surveys.

Answers

Answer 1

The total number of subjects to whom the internet survey was e-mailed is 2315

There were 931 surveys returned.

CI=(ˆp−E,ˆp+E)=(0.402−0.026,0.402+0.026)=(0.376,0.428)

Related Questions

How are hospitality products more perishable than manufacturing products. short answer.​

Answers

Once a hospitality feature is consumed, it is gone. As for manufacturing products, the industry never sleeps.

Since industry never sleeps hospitability products never sleeps

How are hospitality products more perishable than manufacturing products?

The hospitality industry is perishable, which means that an experience will not last, and the next experience will not be the same as the last: Once a hospitality feature has been used, it is no longer available. The industry never sleeps: The hospitality industry is open 24 hours a day, seven days a week.

The hospitality industry is one of the world's most diverse and diverse industries, employing millions of people and generating trillions of dollars in revenue each year. It is not only a great career choice for many people, but it also encompasses many industries that we interact with on a daily basis.

The hospitality industry is part of the larger service-providing industry, according to the Bureau of Labor Statistics. It is heavily focused on customer satisfaction and meeting the needs and desires of both individuals and families, usually in a leisure capacity rather than a formal, business capacity.

Hence to conclude that hospitality industry products are more perishable than manufacturing products

To know more about hospitality products follow this link

https://brainly.com/question/618712

#SPJ1

Calcium levels in people are normally distributed with a mean of 9.7 mg/dL and a standard deviation of 0.3 mg/dL . Individuals with calcium levels in the bottom 5% of the population are considered to have low calcium levels. Find the calcium level that is the borderline between low calcium levels and those not considered low. Carry your intermediate computations to at least four decimal places. Round your answer to one decimal place.

Answers

Let Me Get My Notes, So I Can Help You Out With This Question

The access code for a card security system consist of four digits the first digit cannot be 4 and the last digit must be odd. How many different codes are avalible

Answers

Different codes for access code which are available are: 4000

_ _ _ _

1 2 3 4

1st blank can be filled with the following possibilities, here the conditions are:

1)The first digit cannot be 4

2)The first digit cannot be 0 also since it makes the access code 3 digits hence

From 1 to 9 except 4 there are  8 possible ways to fill that blank

8

2nd blank can be filled with any number between 0 to 9 in 10 possible ways

8 10

3rd blank can be filled with any number between 0 to 9 in 10 possible ways

8 10 10

4th blank can be filled with any odd numbers between 0 to 10 - 1,3,5,7,9

8 10 10 5 = 8 x 10 x 10 x 5 = 4000

Hence to conclude that 4000 available codes are there for the access security card

To know more about permutations and combinations please follow this link

https://brainly.com/question/1216161

Part C
Keegan determines how much blue and white paint he needs to cover his
bedroom walls. If he needs 10 parts of white paint, use the unit rate in Part A to
find how much blue paint he needs to get the color he wants.

Answers

Answer: 12.5

Explanation:  because Kegan determines needs 10 parts of white paint and the unit rate in part A to 1.25 so the blue paint is  10*1.25+ 12.5  

Not sure how to answer this question

Answers

The answer is “A” - “Left Tailed.”

There was the test are the basis on the null and alternative hypothesis are:

H0: P1 = P2

H1: P1 < P2

What is hypothesis?

The term hypothesis refers to the research on the two independent variables. It is also tested and observed an analysis phenomenon. A research hypothesis is a statement of expectation or prediction that will be tested by research.

According to the two-tailed hypothesis are the based on the two sides of the test are the equal to the proportion of the major in the decays. There was the based on the p2 is the greater than.

Therefore, option (c) is correct.

Learn more about on hypothesis, here:

https://brainly.com/question/13025783

#SPJ1

Which is the form of the following argument? All penguins are flyers. All birds are flyers so, all penguins are birds. Use P=penguin, B = bird, F = flyers

Answers

Answer: P = F. B = F, P = B

Explanation:

P = penguins

B= bird

F = flyers

Other Questions
the main functions of glial cells include a. secretion of cerebrospinal fluid and response to injury b. metabolic support and insulation c. all of these. d. removing waste products of metabolism. which dimension of leadership is designed to show high regard for relationships for those who are willing to do the work but lack the knowledge or ability? when designing cross-platform experiences, which platform should you focus on first when you build a new product? if a pregnant patient is admitted for induction of labor with a medical history of subclinical hypothyroidism, how is the scenario coded? How did britains relationship with the colonies change after the french and indian war?. A STOCK YOU AREWATCHING IS TRADING AT$73.84 PER SHARE TODAY.YESTERDAY, IT WASTRADING AT $72.14.(percent change) PLS HELP I ONLY HAVE 3 HOURS LEFTRecord all of the foods and beverages that you consume each day. In the columns on the right, mark how many servings you are getting from each food group. In the Total Servings row at the bottom of the chart, add up the total number of servings in each column to see if you met the daily recommendations. Complete a summary at the end of each day. Submit the completed chart at the end of 3 days.Example:BreakfastWhat did you eat? Grain Vegetable Fruit Dairy Protein Empty Calories2 pancakes w/syrup211 glass of orange juice11 glass of milk12 sausage links 1 Day 1:Breakfast What you ate? Grain Vegetable Fruit Dairy Protein Empty CaloriesLunchDinnerSnacksTotal ServingsDay 1 Summary:What areas were lacking on day 1? What are some things I can change tomorrow to help me improve my diet?Day 2:Breakfast What you ate? Grain Vegetable Fruit Dairy Protein Empty CaloriesLunchDinnerSnacksTotal ServingsDay 2 Summary:Were todays choices healthier choices than yesterday's? Why or why not?Day 3:Breakfast What you ate? Grain Vegetable Fruit Dairy Protein Empty CaloriesLunchDinnerSnacksTotal ServingsDay 3 Summary:Which food group did I consistently eat proper amounts from each of the three days? From which food group do I get the most calories and the fewest calories? Over the next month, I plan to balance my diet with the following changes to achieve healthier eating habits. Please answer the 5 questions and number them when you have answered themWill mark branliest What is the principal reason why you should use anova instead of several t tests to evaluate mean differences when an experiment consists of three or more treatment conditions?. URGENT!! ILL GIVEBRAINLIEST!!!! AND 100 POINTS!!!!! 3) Abigail makes a sale of 900.00 naira in a day and Lola makes a sale 720.00 naira what is the ratio of Abigail's sales to Lola's sales?? Three rectangular prisms have the same based area but different heights. As the heights of the these prism increase, the volume increases. Identify the independent variable in this situation.Responseswidth of the prismvolume of the prismarea of the prismheight of the prismlength of the prism If a statement is given that angle A and angle B are complementary, which fact would be needed to prove that this geometric relationship is true? the ucl and lcl for an chart are 25 and 15 respectively. the central line is 20, and the process variability is considered to be in statistical control. the results of the next six sample means are 18, 23, 17, 21, 24, and 16. what should you do? group of answer choices explore the assignable causes because the second, fourth, and fifth samples are above the mean. explore the assignable causes because there is a run. explore the assignable causes because there is a trend. nothing; the process is in control. shelly is a student who has received an academic scholarship to the university. the scholarship paid $4,000 for tuition, $500 for fees, and $400 for books. what amount must shelly include in her gross income? when deciding whether to fly or take the train on a trip, the cost of putting your pet in a boarding facility while you are away is a(n) blank cost. Your store sales average $190,000 per month. Your triple net lease has the following monthly terms: rent is 5% of sales, insurance is $300, maintenance is $75, utilities total $300, and taxes are $120. You expect near year's sales to increase 5%, but your lease terms will remain the same. Calculate next year's annual lease payment. 8.if converting scada systems to the internet protocol increases the risk of a hacker taking control of an industrial process, why are companies doing just that? (a +__+1)-(__a +5a +__ = 4a-2a +7 in the case where reina, an actress, breaches her film contract, the producers must leave the set and fly back to los angeles to hire a new actress. the travel cost in this scenario is: