Mathematics, 02.12.2021 07:00 Trinityslater
HELP PLS!! A study conducted by the Center for Disease Control that asked 15,000 students about their sleep habits showed that about 73% of high school students did not get the required 8 hours of sleep per night. Let p be the proportion of high school students who do not get 8 hours of sleep daily.
1.What is the mean of the sampling distribution of p?
2. Find the standard deviation of the sampling distribution of p. Round to 4 decimal places. ( decimal form pls obvi )
3. Find the probability of selecting a sample of 15,000 students in which between 70% and 75% of the students did not get 8 hours of sleep every day.
Answers: 1
Mathematics, 21.06.2019 17:30, wwesuplexcity28
33% of college students say they use credit cards because of the rewards program. you randomly select 10 college students and ask each to name the reason he or she uses credit cards. find the probability that the number of college students who say they use credit cards because of the rewards program is (a) exactly two, (b) more than two, and (c) between two and five inclusive. if convenient, use technology to find the probabilities.
Answers: 1
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