Question

The mean daily production of a herd of cows is assumed to be
normally distributed with a mean of 31 liters, and standard
deviation of 9.3 liters.

A) What is the probability that daily production is
**between** 44.9 and 55.7 liters? Do not round until
you get your your final answer.

Answer=____________ (Round your answer to 4 decimal places.)

Warning: Do not use the Z Normal Tables...they may not be accurate
enough since WAMAP may look for more accuracy than comes from the
table.

Answer #1

Let X denotes the production of a herd of cows on a randomly selected day.

Here,

X ~ Normal(31, 9.3^{2})

A) The probability that daily production is
**between** 44.9 and 55.7 liters

The mean daily production of a herd of cows is assumed to be
normally distributed with a mean of 30 liters, and standard
deviation of 9.5 liters. A) What is the probability that daily
production is between 20.8 and 57.3 liters? Do not round until you
get your your final answer. Answer= (Round your answer to 4 decimal
places.) Warning: Do not use the Z Normal Tables...they may not be
accurate enough since WAMAP may look for more accuracy than...

The mean daily production of a herd of cows is assumed to be
normally distributed with a mean of 36 liters, and standard
deviation of 4.8 liters. A) What is the probability that daily
production is less than 45.7 liters? Answer= (Round your answer to
4 decimal places.) B) What is the probability that daily production
is more than 22.8 liters? Answer= (Round your answer to 4 decimal
places.) Warning: Do not use the Z Normal Tables...they may not be...

The mean daily production of a herd of cows is assumed to be
normally distributed with a mean of 39 liters, and standard
deviation of 7.6 liters.
A) What is the probability that daily production is less than
29.1 liters? Answer= (Round your answer to 4 decimal places.)
B) What is the probability that daily production is more than
28.7 liters? Answer= (Round your answer to 4 decimal places.)
Warning: Do not use the Z Normal Tables...they may not be...

The mean daily production of a herd of cows is assumed to be
normally distributed with a mean of 37 liters, and standard
deviation of 4.7 liters. A) What is the probability that daily
production is between 46.7 and 48.9 liters? Do not round until you
get your your final answer.

The mean daily production of a herd of cows is assumed to be
normally distributed with a mean of 30 liters, and standard
deviation of 10 liters. A) What is the probability that daily
production is between 20.8 and 52 liters? Do not round until you
get your your final answer. Answer= (Round your answer to 4 decimal
places.)

The mean daily production of a herd of cows is assumed to be
normally distributed with a mean of 35 liters, and standard
deviation of 2.7 liters. A) What is the probability that daily
production is between 29.7 and 42.2 liters? Do not round until you
get your your final answer.
Answer= (Round your answer to 4
decimal places.)

The mean daily production of a herd of cows is assumed to be
normally distributed with a mean of 30 liters, and standard
deviation of 3.1 liters.
(a) What is the probability that daily production is less than
33.7 liters?
(b) What is the probability that daily production is more than
24.5 liters?

The daily milk production of a herd of cows is assumed to be
Normally distributed with a mean of 37 liters, and standard
deviation of 5.6 liters. A) On what proportion of days is daily
production less than 20.3 liters? Answer= (Round your answer to 3
decimal places.) B) On what proportion of days is production more
than 49.1 liters? Answer= (Round your answer to 3 decimal
places.)

Use ONLY the Standard Normal Tables (Link ) to answer the
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mean of 79.8 and a standard deviation of 7.2. What is the
probability that a randomly selected score will be between 67 and
76? Answer = (round to four decimal places) Note: Be careful...only
use the Z Table here...do not use technology or the 68-95-99.7
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where...

1. A particular fruit's weights are normally distributed, with a
mean of 601 grams and a standard deviation of 24 grams.
If you pick one fruit at random, what is the probability that it
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2. A particular fruit's weights are normally
distributed, with a mean of 784 grams and a standard deviation of 9
grams.
The heaviest 7% of fruits weigh more than how many grams? Give your
answer to the nearest gram....

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