A worldwide organization of academics claims that the mean IQ score of its members is 115, with a standard deviation of 17. A ra
ndomly selected group of 35 members of this organization is tested, and the results reveal that the mean IQ score in this sample is 115.2. If the organization's claim is correct, what is the probability of having a sample mean of 115.2 or less for a random sample of this size
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Answer:
D
Step-by-step explanation:
given
V = bh
multiply both sides by 3 to eliminate the fraction
3V = bh ( divide both sides by h )
b = → D