Suppose your manager indicates that for a normally distributed data set you are analyzing, your company wants data points between z
=
−
0.5
and
z
=
0.5
standard deviations of the mean (or within 0.5 standard deviations of the mean). What percent of the data points will fall in that range?
percent (Enter a number between 0 and 100, not 0 and 1 and round to 2 decimal places)

Exclude leap years from the following calculations. (a) compute the probability that a randomly selected person does not have a birthday on october 4. (type an integer or a decimal rounded to three decimal places as needed.) (b) compute the probability that a randomly selected person does not have a birthday on the 1st day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (c) compute the probability that a randomly selected person does not have a birthday on the 30th day of a month. (type an integer or a decimal rounded to three decimal places as needed.) (d) compute the probability that a randomly selected person was not born in january. (type an integer or a decimal rounded to three decimal places as needed.)