QUESTION 18 A random sample of n = 144 scores is selected from a population whose mean = 230 and standard deviation = 15. What is the probability that the sample's mean will be below M = 228? (Please...

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Extracted text: QUESTION 18 A random sample of n = 144 scores is selected from a population whose mean = 230 and standard deviation = 15. What is the probability that the sample's mean will be below M = 228? (Please input answer as a probability with four decimal places). QUESTION 19 A random sample of n = 169 scores is selected from a population whose mean = 195 and standard deviation = 32. What is the probability that the sample's mean will be between M = 193 and M = 197 ? (Please input answer as a probability with four decimal places). QUESTION 20 "A clinican has founda significant effect of a new drug and wants to know the effect size, If the population mean =45 with a standard deviation = 16.5 and the clinical observed a sample of n = 64 had a mean = 41, then what would be the effect size in terms of Cohen's d?" 0.24 O -0.24 O 1.94 O -1.94 1Mom 4 T E 4