Question

Given a normal distribution with ? = 54 and ? = 4, complete parts (a) through (d). Click here to view page 1 of the cumulative standardized normal distribution table. Click here to view page 2 of the cumulative standardized normal distribution table. a. What is the probability that X > 47? P(X>47) = (Round to four decimal places as needed.) b. What is the probability that X < 50? P(X<50) = (Round to four decimal places as needed.) c. For this distribution, 10% of the values are less than what X-value? X = (Round to the nearest integer as needed.) d. Between what two X-values (symmetrically distributed around the mean) are 80% of the values? For this distribution, 80% of the values are between X = and X = . (Round to the nearest integer as needed.)

          Given a normal distribution with ? = 54 and ? = 4, complete parts (a) through (d).
Click here to view page 1 of the cumulative standardized normal distribution table. Click here to view page 2 of the cumulative standardized normal distribution table.
a. What is the probability that X > 47?
P(X>47) = (Round to four decimal places as needed.)
b. What is the probability that X < 50?
P(X<50) = (Round to four decimal places as needed.)
c. For this distribution, 10% of the values are less than what X-value?
X = (Round to the nearest integer as needed.)
d. Between what two X-values (symmetrically distributed around the mean) are 80% of the values?
For this distribution, 80% of the values are between X = and X = .
(Round to the nearest integer as needed.)

Given a normal distribution with ? = 54 and ? = 4, complete parts (a) through (d).
Click here to view page 1 of the cumulative standardized normal distribution table. Click here to view page 2 of the cumulative standardized normal distribution table.
a. What is the probability that X > 47?
P(X>47) = (Round to four decimal places as needed.)
b. What is the probability that X < 50?
P(X<50) = (Round to four decimal places as needed.)
c. For this distribution, 10% of the values are less than what X-value?
X = (Round to the nearest integer as needed.)
d. Between what two X-values (symmetrically distributed around the mean) are 80% of the values?
For this distribution, 80% of the values are between X = and X = .
(Round to the nearest integer as needed.)

Added by Gary C.

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