17. For random samples of size n = 25 selected from a normal distribution with a mean of mean of u = 50 and a standa deviation of o = 20, find each of the following: a. The range of sample means that defines the middle 95% of the distribution of sample means. ANSWER I b. The range of sample means that defines the middle 99% of the distribution of sample means. ANSWER I
17. For random samples of size n = 25 selected from a normal distribution with a mean of mean of u = 50 and a standa deviation of o = 20, find each of the following: a. The range of sample means that defines the middle 95% of the distribution of sample means. ANSWER I b. The range of sample means that defines the middle 99% of the distribution of sample means. ANSWER I
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Author:Amos Gilat
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Question
Help me solve question 17 a and b
![Uistribution is positively skewed, what is the probability of obtaining a sample mean greater th
for a sample of n = 4? (Please read question carefully).
c. If the population distribution is normal, what is the probability of obtaining a sample mean greater than M = 32 f
С.
sample of n = 64?
%3D
d. If the population distribution is positively skewed, what is the probability of obtaining a sample mean greater than I
for a sample of n =
64?
17. For random samples of size n = 25 selected from a normal distribution with a mean of mean of u = 50 and a standard
deviation of o = 20, find each of the following:
a. The range of sample means that defines the middle 95% of the distribution of sample means.
ANSWER 4
b. The range of sample means that defines the middle 99% of the distribution of sample means.
ANSWER 4
%3D
18. The distribution ages for students at the state college is positively skewed with a mean of u = 21.5 and a standard deviation of
0 = 3.
%3D
a. What is the probability of selecting a random sample of n = 4 students with an average age greater than 23? (Please
read question carefully.)
MacBook Pro](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F509ebbbd-ec0c-4de7-b9d7-c02d5a4ef13d%2F69fd1cf0-f8d2-4a0f-8beb-dbe23717c794%2Ft90ryp6_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Uistribution is positively skewed, what is the probability of obtaining a sample mean greater th
for a sample of n = 4? (Please read question carefully).
c. If the population distribution is normal, what is the probability of obtaining a sample mean greater than M = 32 f
С.
sample of n = 64?
%3D
d. If the population distribution is positively skewed, what is the probability of obtaining a sample mean greater than I
for a sample of n =
64?
17. For random samples of size n = 25 selected from a normal distribution with a mean of mean of u = 50 and a standard
deviation of o = 20, find each of the following:
a. The range of sample means that defines the middle 95% of the distribution of sample means.
ANSWER 4
b. The range of sample means that defines the middle 99% of the distribution of sample means.
ANSWER 4
%3D
18. The distribution ages for students at the state college is positively skewed with a mean of u = 21.5 and a standard deviation of
0 = 3.
%3D
a. What is the probability of selecting a random sample of n = 4 students with an average age greater than 23? (Please
read question carefully.)
MacBook Pro
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