Question

The weights of oranges are normally distributed with a mean of 12.4 pounds and a standard deviation of 3 pounds. Find the minimum value that would be included in the top 5% of orange weights.

- Use Excel, and round your answer to one decimal place.

Answer #1

TOPIC:Use of the Normal distribution.

EXCEL CODE AND OUTPUT:

The weights of northern koala bears are normally distributed
with a mean of 14.3 pounds and a standard deviation of 2.8
pounds.
Find the percentage of northern koala bears that weigh between
16.4 and 17.1 pounds.
a. Round your response to one decimal place in percentage form
and give your answer in a full sentence.
b. Is it unusual for a northern koala bear to weigh 16.4 to 17.1
pounds. Explain and support your response in a full sentence.
c....

Bass: The bass in Clear Lake have weights that
are normally distributed with a mean of 2.7 pounds and a standard
deviation of 0.9 pounds.
(a) Suppose you only want to keep fish that are in the top 15%
as far as weight is concerned. What is the minimum weight of a
keeper? Round your answer to 2 decimal
places.
pounds
(b) Suppose you want to mount a fish if it is in the top 0.5% of
those in the...

Bass: The bass in Clear Lake have weights that
are normally distributed with a mean of 2.5 pounds and a standard
deviation of 0.8 pounds.
(a) Suppose you only want to keep fish that are in the top 15%
as far as weight is concerned. What is the minimum weight of a
keeper? Round your answer to 2 decimal
places.
pounds
(b) Suppose you want to mount a fish if it is in the top 0.5% of
those in the...

The weights of bowling balls are normally distributed with mean
11.5 pounds and standard deviation 2.7 pounds. A sample of 36
bowling balls is selected. What is the probability that the average
weight of the sample is less than 11.27 pounds?
Write only a number as your answer. Round to 4 decimal places (for
example 0.0048). Do not write as a percentage.
Please explain how to use Ti-84 Plus CE with
this

The weights of adult male beagles are normally distributed with
a mean, ? = 25 pounds and a standard deviation, ? = 3 pounds.
a. Use the empirical rule to find the percentage of beagles that
weigh between 22 and 28 pounds. %
b. Use the empirical rule to find the percentage of beagles that
weigh between 19 and 31 pounds

The weights of bowling balls are normally distributed with mean
11.5 pounds and standard deviation 2.7 pounds. A sample of 36
bowling balls is selected. What is the probability that the average
weight of the sample is less than 11.32 pounds?
Write only a number as your answer. Round to 4 decimal places (for
example 0.0048). Do not write as a percentage.

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
will weigh between 562 grams and 610 grams.
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....

The weights for newborn babies is approximately normally
distributed with a mean of 5.4 pounds and a standard deviation of
1.6 pounds.
Consider a group of 1100 newborn babies:
1. How many would you expect to weigh between 3 and 8 pounds?
2. How many would you expect to weigh less than 7 pounds?
3. How many would you expect to weigh more than 6 pounds?
4. How many would you expect to weigh between 5.4 and 9
pounds?
HINT:...

The weights of Labrador Retrievers are normally distributed with
a mean of 72 pounds with a standard deviation of 3.5 pounds.
Provide a distribution for representative, random samples of 50
Labradors.

The weight of Los Angeles
Dodgers players is normally distributed with a
mean of 203 pounds and a standard deviation of 18 pounds. (30
points) (show all calculations; round to fourth
decimal place)
A. What percent of players weigh between 190 and 216 pounds? (10
points)
B. Albert’s weight is among the top 10%. What is his minimum
weight? (10 points)

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