Question

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 comes from the table.

Answer #1

Let X denotes daily production of a randomly selected herd of cows.

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...

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 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 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 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.)

1.Suppose a normally distributed set of data with 6200
observations has a mean of 116 and a standard deviation of 19. Use
the 68-95-99.7 Rule to determine the number of observations in the
data set expected to be above a value of 135. Round your answer to
the nearest whole value.
2.A manufacturer knows that their items have a normally
distributed lifespan, with a mean of 9.5 years, and standard
deviation of 1.6 years.
The 9% of items with the...

Use ONLY the Standard Normal Tables (Link ) to answer the
following... A set of exam scores is normally distributed and has a
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
Rule. An appliance manufacturer has three factories (A, B, and C)
where...

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