Question

Suppose that the annual rainfall in Ferndale, California, is known
to be normally distributed, with a mean of 35.5 inches and a
standard deviation of 2.5 inches. About what percent of the years
will it rain more than 38 inches in fernadale? (You may need to use
the standard normal distribution table Round your answer to the two
decimal places.)

Answer #1

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According to the Current Results website, the state of
California has a mean annual rainfall of 20 inches, whereas the
state of New York has a mean annual rainfall of 55 inches. Assume
that the standard deviation for both states is 5 inches. A sample
of 30 years of rainfall for California and a sample of 45 years of
rainfall for New York has been taken. Use z-table. a. Show the
probability distribution of the sample mean annual rainfall for...

According to the Current Results website, the state of
California has a mean annual rainfall of 22 inches, whereas the
state of New York has a mean annual rainfall of 43 inches. Assume
that the standard deviation for both states is 5 inches. A sample
of 30 years of rainfall for California and a sample of 45 years of
rainfall for New York has been taken. Use z-table. a. Show the
probability distribution of the sample mean annual rainfall for...

According to the Current Results website, the state of
California has a mean annual rainfall of 25
inches, whereas the state of New York has a mean annual rainfall of
41 inches. Assume that the standard deviation for
both states is 4 inches. A sample of
30 years of rainfall for California and a sample
of 45 years of rainfall for New York has been
taken. Use z-table.
a. Show the probability distribution of the sample mean annual
rainfall for...

1. The annual rainfall is normally distributed with mean = 40.14
inches and standard deviation 8.7 inches.
a) What is the probability this years’ rainfall will exceed 42
inches?
b) What is the probability that the sum of the next two years’
rainfall will exceed 84 inches?

Suppose that the amount of snowfall that Minneapolis gets in a
year is normally distributed with a mean of 45 inches and a
standard deviation of 5 inches. This year, what is the probability
that Minneapolis will gets.
a) More than 58 inches of rain This would be 2 standard
deviations or more above the mean and construct a 95 % confidence
interval.
b) Between 40 and 50 inches of rain One standard deviation on
either side of the mean…...

A.) Suppose a population is known to be normally distributed
with a mean, μ, equal to 116 and a standard deviation, σ, equal to
14. Approximately what percent of the population would be between
116 and 144?
B.) Suppose a population is known to be normally distributed
with a mean, μ, equal to 116 and a standard deviation, σ, equal to
14. Approximately what percent of the population would be between
116 and 130?
C.) Suppose a population is known...

1. Suppose a population is known to be normally distributed with
a mean, μ, equal to 116 and a standard deviation, σ, equal to 14.
Approximately what percent of the population would be between 102
and 144?
2. Suppose a population is known to be normally distributed with
a mean, μ, equal to 116 and a standard deviation, σ, equal to 14.
Approximately what percent of the population would be between 102
and 130?
3. Suppose a population is known...

3. Monsoon Rains in Indonesia is normally distributed over the
years.:
Normal amount of rainfall with a mean 800 millimeters (mm) and
standard deviation 80 mm.
Compute the Probability of the rainfall exceeding 720 mm?
How small are the Monsoons rains in the driest 2.5 % of all
years: ________________
Determine the Median amount of rainfall over the years.

The amount of rainfall in January in a certain city is normally
distributed with a mean of
3.9
inches and a standard deviation of
0.4
inches. Find the value of the quartile
Q1
Round to the nearest tenth.
A.1.0
B.4.2
C.3.6
D.3.7

The height of an adult male is known to be normally distributed
with a mean of 65 inches and a standard deviation of 3.25 inches.
The height of the doorway such that only 17 percent of the adult
males cannot pass through it without having to bend is:
a) 1.8
b) about 72
c) about 80
d) about 76
e) about 68

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