Question

A particular fruit's weights are normally distributed, with a mean of 276 grams and a standard deviation of 23 grams. If you pick 27 fruits at random, then 14% of the time, their mean weight will be greater than how many grams? Give your answer to the nearest gram. & Slices of pizza for a certain brand of pizza have a mass that is approximately normally distributed with a mean of 66.1 grams and a standard deviation of 2.33 grams. a) For samples of size 24 pizza slices, what is the standard deviation for the sampling distribution of the sample mean? b) What is the probability of finding a random slice of pizza with a mass of less than 65.7 grams? c) What is the probability of finding a 24 random slices of pizza with a mean mass of less than 65.7 grams? d) What sample mean (for a sample of size 24) would represent the bottom 15% (the 15th percentile) grams?

Answer #1

A particular fruit's weights are normally distributed, with a
mean of 722 grams and a standard deviation of 17 grams.
If you pick 25 fruits at random, then 3% of the time, their mean
weight will be greater than how many grams?
Give your answer to the nearest gram.
A particular fruit's weights are normally distributed, with a
mean of 776 grams and a standard deviation of 24 grams.
If you pick 24 fruits at random, then 19% of the...

A particular fruit's weights are normally distributed, with a
mean of 608 grams and a standard deviation of 24 grams.
The heaviest 14% of fruits weigh more than how many grams?

A) A particular fruit's weights are normally
distributed, with a mean of 483 grams and a standard deviation of
21 grams.
If you pick one fruit at random, what is the probability that it
will weigh between 479 grams and 485 grams?
B) A particular fruit's weights are normally
distributed, with a mean of 478 grams and a standard deviation of
28 grams.
The heaviest 6% of fruits weigh more than how many grams? Give your
answer to the nearest...

A particular fruit's weights are normally distributed, with a
mean of 686 grams and a standard deviation of 24 grams.
The heaviest 18% of fruits weigh more than how many grams?
Give your answer to the nearest gram.

A particular fruit's weights are normally distributed, with a
mean of 312 grams and a standard deviation of 34 grams. If you pick
7 fruits at random, then 12% of the time, their mean weight will be
greater than how many grams? Give your answer to the nearest
gram.

A particular fruit's weights are normally distributed, with a
mean of 496 grams and a standard deviation of 40 grams. If you pick
32 fruits at random, then 20% of the time, their mean weight will
be greater than how many grams? Give your answer to the nearest
gram.

A particular fruit's weights are normally distributed, with a
mean of 615 grams and a standard deviation of 36 grams. If you pick
22 fruits at random, then 3% of the time, their mean weight will be
greater than how many grams? Give your answer to the nearest
gram.

A particular fruit's weights are normally distributed, with a
mean of 451 grams and a standard deviation of 39 grams.
If you pick 14 fruits at random, then 18% of the time, their
mean weight will be greater than how many grams? Give your answer
to the nearest gram.

A particular fruit's weights are normally distributed, with a
mean of 471 grams and a standard deviation of 31 grams.
If you pick 21 fruits at random, then 9% of the time, their mean
weight will be greater than how many grams?
Give your answer to the nearest gram.

A particular fruit's weights are normally distributed, with a
mean of 486 grams and a standard deviation of 16 grams.
If you pick 11 fruits at random, then 10% of the time, their
mean weight will be greater than how many grams?
Give your answer to the nearest gram.

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