Mathematics, 02.05.2021 14:00 triciamarler
1. Studies show that 27% of all students at Richardson Technical College smoke. Suppose we are interested in the proportion of the 85 students in the lunchroom cafeteria that smoke.
(a) Is the normal approximation to the proportion = r / n valid? Explain.
(b) What is the probability that the proportion of those in the cafeteria who smoke is at least one fourth?
(c) What is the probability that the proportion of those in the cafeteria who smoke is no more than 30%?
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 14:30
Find the value of 1715â‹…211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.
Answers: 1
Mathematics, 21.06.2019 20:00
The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16
Answers: 3
Mathematics, 21.06.2019 22:00
Which function in vertex form is equivalent to f(x) = x2 + 6x + 3? f(x) = (x + 3)2 + 3 f(x) = (x + 3)2 − 6 f(x) = (x + 6)2 + 3 f(x) = (x + 6)2 − 6
Answers: 1
You know the right answer?
1. Studies show that 27% of all students at Richardson Technical College smoke. Suppose we are inter...
Questions
Mathematics, 13.10.2020 22:01
History, 13.10.2020 22:01
Business, 13.10.2020 22:01
Social Studies, 13.10.2020 22:01
Mathematics, 13.10.2020 22:01
Chemistry, 13.10.2020 22:01
Mathematics, 13.10.2020 22:01
English, 13.10.2020 22:01
English, 13.10.2020 22:01
