Mathematics, 31.07.2019 23:10, kimmy6973
Assume that females have pulse rates that are normally distributed with a mean of mu equals 72.0 beats per minute and a standard deviation of sigma equals 12.5 beats per minute. complete parts (a) through (c) below.
(a) if 1 adult female is randomly selected, find the probability that her pulse rate is between 66 beats per minute and 78 beats per minute.
the probability is?
(b) if 4 adult females are randomly selected, find the probability that they have pulse rates with a mean between 66 beats per minute and 78 beats per minute
the probability is?
(c) why can the normal distribution be used in part (b), even though the sample size does not exceed 30?
Answers: 3
Mathematics, 21.06.2019 18:00, 22justinmcminn
Darian wants to build a regulation size pool table that is 9 feet in length. he plans he ordered are 18 by 36 inches. what is the scale factor of the dilation he must use to build a regulation pool table
Answers: 1
Mathematics, 21.06.2019 18:50, beeboppity
7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?
Answers: 3
Mathematics, 21.06.2019 19:30, karlacr5117
Agarden consists of an apple tree, a pear tree, cauliflowers, and heads of cabbage. there are 40 vegetables in the garden. 24 of them are cauliflowers. what is the ratio of the number of cauliflowers to the number of heads of cabbage?
Answers: 2
Assume that females have pulse rates that are normally distributed with a mean of mu equals 72.0 bea...
Mathematics, 13.12.2021 21:00
Mathematics, 13.12.2021 21:00