subject
Mathematics, 17.03.2021 23:50 broooooo4991

3. The Harvard College Alcohol Study interviewed a SRS of 500 college students about their drinking habits. Suppose that 45% of all college students answer a certain question positively. A. What are the mean and the standard deviation of the proportion of the sample who answer β€œyes”. Test the independence assumption (population is 10X sample size) before calculating s.
B. Test the normality assumption. Is it safe to use normal probabilities in this case?
C. Find the probability that p is between 0.43 and 0.46.​

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 21:30
Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract
Answers: 2
question
Mathematics, 21.06.2019 23:10
Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth
Answers: 2
question
Mathematics, 22.06.2019 01:00
Given the numbers c = –3 and d = 4, which statement is true? a. |–c| = 3 and |–d| = –4 b. |–c| = 3 and –|d| = –4 c. –|c| = –4 and –|d| = 3 d. |–c| = 3 and –|d| = 4
Answers: 1
question
Mathematics, 22.06.2019 03:30
Miranda drove her car 112 miles on a 4 gallons of gas and 182 miles on 6.5 gallons. how many gallons would she need to drive 420 miles?
Answers: 1
You know the right answer?
3. The Harvard College Alcohol Study interviewed a SRS of 500 college students about their drinking...
Questions
question
Mathematics, 06.03.2021 06:00
question
English, 06.03.2021 06:00
question
Mathematics, 06.03.2021 06:00
question
Spanish, 06.03.2021 06:00
question
Biology, 06.03.2021 06:00
question
Mathematics, 06.03.2021 06:00
question
Mathematics, 06.03.2021 06:00
Questions on the website: 13722367