Mathematics, 26.08.2020 08:01 freyaocain
The researchers divide the heart attack patients based on race, and then measure the
cholesterol levels of randomly selected patients in each race
grouping.
The researchers list all of the heart attack patients and measure the cholesterol level of every 25th person on the list.
The researchers go to one hospital on a given day and measure the cholesterol level of the heart attack patients at that time.
The researchers randomly select 5 hospitals in the U. S. then measure the cholesterol
levels of all the heart attack patients in each of those hospitals.
The researchers list all of the heart attack patients. They then measure the cholesterol
levels of randomly selected patients.
a. convenience sample
b. simple random sample
c. stratified sample
d. systematic sample
e. cluster sample
Answers: 2
Mathematics, 21.06.2019 17:30
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
Mathematics, 22.06.2019 00:30
Will mark brainliest for correct answer! i have been on this problem for an hour and can't find the answer. i'm begging here! incase you cant read the instructions in the picture because of too much or too little lighting: note: enter your answer and show all the steps that you use to solve this problem in the space provided.write a list of steps that are needed to find the measure of b. provide all steps as clear as possible, !
Answers: 1
The researchers divide the heart attack patients based on race, and then measure the
cholesterol le...
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