A typical adult has an average IQ score of 105 with a standard deviation of 20. If 20 randomly selected adults are given an IQ test, what is the probability that the sample mean scores will be between 87 and 125 points? (Round your answer to five decimal places.
A typical adult has an average IQ score of 105 with a standard deviation of 20....
A typical adult has an average IQ score of 105 with a standard deviation of 20. If 20 randomly selected adults are given an IQ test, what is the probability that the sample mean scores will between 102 and 110 points? (Round to 2 decimal places)
A typical adult has an average IQ score of 105 with a standard deviation of 20. M 20 randomly selected adults are given an IQ test, what is the probability that the sample mean scores will between 102 and 110 points? (Round to 2 decimal places)
QUESTION 19 A typical adult has an average IQ score of 105 with a standard deviation of 20. If 20 randomly selected adults are given an IQ test, what is the probability that the sample mean scores will between 102 and 110 points? (Round to 2 decimal places)
42. (Problem modified from textbook) A typical adult has an average IQ score of 105 with a standard deviation of 20. If 20 randomly selected adults are given an IQ test, what is the probability that the sample mean scores will be between 95 and 120 points? Round answer to three decimal places (i.e. 0.123) _________Answer
Assume that adults have IQ scores that are normally distributed with a mean of μ = 105 and a standard deviation = 15 Find the probability that a randomly selected adult has an IQ less than 129.The probability that a randomly selected adult has an IQ less than 129 is _______ (Type an integer or decimal rounded to four decimal places as needed)
QUESTION 18 6 points Save Answer A large cooperation has quality control over its fertilizers. The fertilizes are composed of nitrogen. The fertilizer requires 3 mg of nitrogen. The distribution of the percentage of nitrogen is unknown with a mean of 2.5 mg and a standard deviation of 0.1. A specialist randomly checked 100 fertilizer samples. What is the probability that the mean of the sample of 100 fertilizers less than 2 mg? QUESTION 19 10 points Save Answer A...
Assume that adults have IQ scores that are normally distributed with a mean of μ 105 and a standard deviation 20. Find the probability that a randomly selected adult has an IQ less than 137. The probability that a randomly selected adult has an IQ less than 137 is: (Type an integer or decimal rounded to four decimal places as needed.)
Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard deviation σ=20.Find the probability that a randomly selected adult has an IQ between 93and 117. The probability that a randomly selected adult has an IQ between 93 and117 is
Assume that adults have IQ scores that are normally distributed with a mean of µ =105 and a standard deviation σ = 20. Find the probability that a randomly selected adult has an IQ between 95 and 115. The probability that a randomly selected adult has an IQ between 95 and 115 is _____.
#1 find the probability that a randomly selected adult has an IQ greater than 128.7 #2 find the probability that a randomly selected adult has an IQ between 87 and 113 #3 what are the values of the mean and standard deviation after converting all pulse rates of women to z scores using z= Homework: 10MML: Homework Score: 0 of 1 pt 18 of 24 (12 complete) 6.2.14-T Assume that adults have IQ scores that are normally distributed with a...