The Statistical Abstract of the United States reported that 66% of students who graduated fromhigh school in 2012 enrolled in college. Let X be the number of high school students thatenrolled in college.Formulas needed: E (X) = n * p and Var (X) = n * p * (1 − p)-a) If exactly 18 high school students are chosen at random, the expected number of high schoolstudents are enrolle in college isRound your answer to nextwhole number.b) If exactly 18 high school students are chosen at random, the std(X), standard deviation of thenumber of them that are enrolled in college isRound your answer to thenearest whole number.

Answered: Statistical Abstract of the United…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The probability of flu symptoms for a person not receiving any treatment is 0.051. In a clinical trial of a common drug used to lower cholesterol, 56 of 1041 people treated experienced flu symptoms. Assuming the drug has no effect on the likelihood of flu symptoms, estimate the probability that at least 56 people experience flu symptoms. What do these results suggest about flu symptoms as an adverse reaction to the drug? (a) P(X 256)= (Round to four decimal places as needed.) n example 6 Get more help. M C Oll 2000 16 & 7 O * 8 Clear all ( 9 Check answer 0
The table shows the leading causes of death in a certain country in a recent year. The population of the country was 311311 million. If you lived in a typical city of 500,000, how many people would you expect to die of cancercancer each year? Cause Deaths Cause Deaths Heart disease 596 comma 700596,700 Alzheimer's disease 84 comma 90084,900 Cancer 575 comma 300575,300 Diabetes 73 comma 40073,400 Chronic respiratory diseases 143 comma 100143,100 Pneumonia/Influenza 53 comma 40053,400 Stroke 128 comma 600128,600 Kidney disease 45 comma 30045,300 Accidents 122 comma 500122,500 Suicide 38 comma 60038,600 About people would be expected to die of cancer each year. (Type a whole number. Round to the nearest person as needed.)
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In a survey of 1150 adult males, 805 said they use the Internet. In a survey of 1050females, 746 said they use the Internet. Atα= 0.05, can you reject the claim that the proportion of Internet users are the same for both groups?
A certain disease has an incidence rate of 0.2%. The false negative rate is 8%, and the false positive rate is 3%. Calculate the probability that a person who tests positive actually has the disease. 0.0848 Note: The incidence rate is the probability that a random person gets the disease. The false negative rate is the probability of getting a negative result given that the person has the disease. The false positive rate is the probability of getting a positive result given that the person does not have the disease.
Solve last part
A survey of 2314 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 428have donated blood in the past two years. (a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. p=____? (Round to three decimal places as needed.)
A study was conducted at a local college to analyze the average cumulative GPA of students who graduated last year. Which of these terms is used to refer to: the average cumulative GPA of students in the study who graduated from the college last year?
just the last part, thank you!
Let ? be the amount of time (in minutes) a postal clerk spends with his or hercustomer. The time is known to have an exponential distribution with the average amount of timeequal to four minutes.i) Find the probability that a clerk spends four to five minutes with a randomly selected customer.ii) Find the probability that a clerk spends at least five minutes with a randomly selected customer.

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