Suppose a normal distribution has a mean of 49 and a standard deviation of 5. What is the probability that a data value is between 48 and 52? Round your
answer to the nearest tenth of a percent.
A. 26.2%
B. 30.5%
C. 31.1%
D. 28.8%

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

What is the value of x in the equation (2)3) (x+6)= -18 a. -36 b. -33 c. -24 d. -18

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?