Question
In: Statistics and Probability
The weights of the fish in a certain lake are normally distributed with a mean of...
The weights of the fish in a certain lake are normally distributed with a mean of 20 lb and a standard deviation of 9.
a. If one fish is randomly selected, what is the probability that the mean weight will be between 17.6 and 23.6 lb?
b. If 9 fish are randomly selected, what is the probability that the mean weight will be between 17.6 and 23.6 lb?
Solutions
orchestra answered 1 year agoRelated Solutions
The weights of the fish in a certain lake are normally distributed with a mean of...
The weights of the fish in a certain lake are normally
distributed with a mean of 20 lb and a standard deviation of 9. If
9 fish are randomly selected, what is the probability that the mean
weight will be between 17.6 and 23.6 lb? Write your answer as a
decimal rounded to 4 places.
The weights of the fish in a certain lake are normally distributed with a mean of...
The weights of the fish in a certain lake are normally
distributed with a mean of 9.4 lb and a standard deviation of 2.3.
If 42 fish are randomly selected, what is the probability that the
mean weight will be more than 9.7 lb?
The weights of the fish in a certain lake are normally distributed with a mean of...
The weights of the fish in a certain lake are normally
distributed with a mean of 13 pounds and a standard deviation of 6.
If a sample of 9 fish are randomly selected, what is the
probability that the mean weight will be between 10.2 and 16.6
pounds?
The weights of the fish in a certain lake are normally distributed with a mean of...
The weights of the fish in a certain lake are normally
distributed with a mean of 9.9 lb and a standard deviation of 2.1.
If 75 fish are randomly selected, what is the probability that the
mean weight will be between 7.7 and 10.4 lb?
The weights of the fish in a certain lake are normally distributed with a mean of...
The weights of the fish in a certain lake are normally
distributed with a mean of 15.2 pounds and a standard deviation of
4 pounds. If 6 fish are randomly selected, find the probability
that the mean weight is between 13.6 and 17.6 pounds.
Round your answer 4 places after the decimal
point.
The weights of the fish in a certain lake are normally distributed with a mean of...
The weights of the fish in a certain lake are normally
distributed with a mean of 15.9 pounds and a standard deviation of
5.1 pounds. If 5 fish are randomly selected, find the probability
that the mean weight is between 11.4 and 18.6 pounds. Round your
answer 4 places after the decimal point.
The weights of the fish in a certain lake are normally distributed with a mean of14lb...
The weights of the fish in a certain lake are normally
distributed with a mean of14lb and a standard deviation of 9. If
9
fish are randomly selected, what is the probability that the
mean weight will be between 11.6 and 17.6lb?
Round your answer to four decimal places.
Solve the problem. The weights of the fish in a certain lake are normally distributed with...
Solve the problem. The weights of the fish in a certain lake are
normally distributed with a mean of 18 lb and a standard deviation
of 9. If 9 fish are randomly selected, what is the probability that
the mean weight will be between 15.6 and 21.6 lb?
Bass: The bass in Clear Lake have weights that are normally distributed with a mean of...
Bass: The bass in Clear Lake have weights that
are normally distributed with a mean of 2.7 pounds and a standard
deviation of 0.6 pounds.
(a) Suppose you only want to keep fish that are in the top 5% 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...
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 10%
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...
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