Assume that adults have IQ scores that are normally distributed with a mean of mu = 105 and a standard deviation sigma = 15. Find the probability that a randomly selected adult has an 1Q between 85 and 125 and type an integer or decimal rounded to four decimal places. Make sure to use the positive or negative z score charts attached, in the eBook on MSL, or in a hardcopy of the textbook. neg z scores.pdf pos z scores.pdf A. 0.4177 B. 0.5763 O C. 0.8176 D. 0.6139

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QUESTION 9
Assume that adults have IQ scores that are normally distributed with a mean of mu = 105 and a standard deviation sigma = 15. Find
the probability that a randomly selected adult has an IQ between 85 and 125 and type an integer or decimal rounded to four decimal
places. Make sure to use the positive or negative z score charts attached, in the eBook on MSL, or in a hardcopy of the textbook
neg z scores.pdf
pos z scores.pdf
A. 0.4177
В.
0.5763
O C. 0.8176
D.0.6139
QUESTION 10
Assume a population of 40, 45, 47, and 53. Assume that samples of sizen=2 are randomly selected with replacement from the
population. Listed below are the sixteen different samples.
45 53
53 53
45 40
45 45
45 47
40,53
4753
40 40
40,45
40 47
47 40
47 45
47 47
63 40
53 45
53 47
Click Sqve and Submit to saue and submit. Chck Save All Answers to save all ansuers.
Save All An
M
Transcribed Image Text:QUESTION 9 Assume that adults have IQ scores that are normally distributed with a mean of mu = 105 and a standard deviation sigma = 15. Find the probability that a randomly selected adult has an IQ between 85 and 125 and type an integer or decimal rounded to four decimal places. Make sure to use the positive or negative z score charts attached, in the eBook on MSL, or in a hardcopy of the textbook neg z scores.pdf pos z scores.pdf A. 0.4177 В. 0.5763 O C. 0.8176 D.0.6139 QUESTION 10 Assume a population of 40, 45, 47, and 53. Assume that samples of sizen=2 are randomly selected with replacement from the population. Listed below are the sixteen different samples. 45 53 53 53 45 40 45 45 45 47 40,53 4753 40 40 40,45 40 47 47 40 47 45 47 47 63 40 53 45 53 47 Click Sqve and Submit to saue and submit. Chck Save All Answers to save all ansuers. Save All An M
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