Question
In: Statistics and Probability
Assume that females have pulse rates that are normally distributed with a mean of mu equals...
Assume that females have pulse rates that are normally distributed with a mean of mu equals 74.0 beats per minute and a standard deviation of sigma equals 12.5 beats per minute. Complete parts (a) through (c) below.
If 4 adult females are randomly selected, find the probability
that they have pulse rates with a mean between 70 beats per minute
and 78 beats per minute.
The probability is ？
Solutions
Expert Solution
=P[-0.64<Z<0.64]
=0.7389-0.2611................by using Z table.
=0.4778
orchestra answered 2 years agoRelated Solutions
Assume that females have pulse rates that are normally distributed with a mean of mu equals...
Assume that females have pulse rates that are normally
distributed with a mean of mu equals 76.0 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 less than 82
beats per minute. The probability is nothing. (Round to four
decimal places as needed.)
b. If 4 adult females are randomly selected, find the...
Assume that females have pulse rates that are normally distributed with a mean of mu equals...
Assume that females have pulse rates that are normally
distributed with a mean of mu equals 75.0 μ=75.0 beats per minute
and a standard deviation of sigma equals 12.5 σ=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 71 71 beats per minute and 79 79 beats per minute.
The probability is . 2510 .2510 . (Round to four decimal places
as...
Assume that females have pulse rates that are normally distributed with a mean of mu equals...
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 less than 75 beats per minute.
The probability is _________
(Round to four decimal places as needed.)
b. If 4 adult females are randomly selected, find the...
Assume that females have pulse rates that are normally distributed with a mean of mu equals...
Assume that females have pulse rates that are normally
distributed with a mean of mu equals μ=74.0 beats per minute and a
standard deviation of sigma equals σ=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
less than 77 beats per minute. The probability is nothing. (Round
to four decimal places as needed.) b. If 44 adult females are
randomly selected, find the...
Assume that females have pulse rates that are normally distributed with a mean of mu equals...
Assume that females have pulse rates that are normally
distributed with a mean of mu equals μ=74.0 beats per minute and a
standard deviation of sigma equals σ=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
less than 77 beats per minute. The probability is nothing. (Round
to four decimal places as needed.) b. If 44 adult females are
randomly selected, find the...
Assume that females have pulse rates that are normally distributed with a mean of mu equals...
Assume that females have pulse rates that are normally
distributed with a mean of mu equals 74.0 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 less than 81 beats per minute.
b. If 25 adult females are randomly selected, find the
probability that they have pulse rates with a mean less than...
Assume that females have pulse rates that are normally distributed with a mean of mu equals...
Assume that females have pulse rates that are normally
distributed with a mean of mu equals 74.0 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 70
beats per minute and 78 beats per minute. The probability is
_______
Assume that females have pulse rates that are normally distributed with a mean of mu equals...
Assume that females have pulse rates that are normally
distributed with a mean of mu equals 73.0 beats per minute and a
standard deviation of sigma equals 12.5 beats per minute. Complete
parts (a) through (b) below.
a. If 1 adult female is randomly selected, find the probability
that her pulse rate is between 66 beats per minute and 80 beats per
minute.
The probability is _______ .
b. If 4 adult females are randomly selected, find the
probability that...
Assume that females have pulse rates that are normally distributed with a mean of mu equals...
Assume that females have pulse rates that are normally
distributed with a mean of mu equals 76.0 beats per minute and a
standard deviation of sigma equals 12.5 beats per minute. Complete
parts (a) through (b) below.
a. If 1 adult female is randomly selected, find the probability
that her pulse rate is less than 82 beats per minute.
The probability is __________.
b. If 4 adult females are randomly selected, find the
probability that they have pulse rates with...
Assume that females have pulse rates that are normally distributed with a mean of mu equals...
Assume that females have pulse rates that are normally
distributed with a mean of mu equals 73.0 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 69
beats per minute and 77 beats per minute. What is the
probability
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