Mathematics, 14.07.2020 19:01 McGregorshamara

A survey reported that 30% of adults in the US have hypertension (high blood pressure). A sample of 25 adults was studied. (20 points) a) What is the probability that exactly 6 of them have hypertension? b) What is the probability that more than 8 of them have hypertension? c) What is the probability that fewer than 4 have hypertension? d) Would it be unusual if more than 10 of them have hypertension? e) What is the mean number who have hypertension in a sample of 25 adults? f) What is the standard deviation of the number who have hypertension in a sample of 25 adults? 10.

Answers: 3

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:00, xxaurorabluexx

Suppose you are going to graph the data in the table. minutes temperature (°c) 0 -2 1 1 2 3 3 4 4 5 5 -4 6 2 7 -3 what data should be represented on each axis, and what should the axis increments be? x-axis: minutes in increments of 1; y-axis: temperature in increments of 5 x-axis: temperature in increments of 5; y-axis: minutes in increments of 1 x-axis: minutes in increments of 1; y-axis: temperature in increments of 1 x-axis: temperature in increments of 1; y-axis: minutes in increments of 5

Answers: 2

continue

Mathematics, 21.06.2019 20:50, kassandramarie16

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?

Answers: 3

continue

Mathematics, 21.06.2019 21:00, zwalkert01

If a is a nonzero real number then the reciprocal of a is

Answers: 2

continue

Mathematics, 21.06.2019 22:30, scholarlystudenttt28

Which one is the correct answer, and why?

Answers: 1

continue

You know the right answer?

A survey reported that 30% of adults in the US have hypertension (high blood pressure). A sample of...