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6.3 A random variable follows the normal probability distribution with a mean of 80 and a standard deviation of 20. What
Posted: Wed Jul 06, 2022 12:18 pm
by answerhappygod
- 6 3 A Random Variable Follows The Normal Probability Distribution With A Mean Of 80 And A Standard Deviation Of 20 What 1 (101.22 KiB) Viewed 8 times
6.3 A random variable follows the normal probability distribution with a mean of 80 and a standard deviation of 20. What is the probability that a randomly selected value from this population a. is less than 90? b. is less than 65? c. is more than 110? d. is more than 40? 6.4 A random variable follows the normal probability distribution with a mean of 124 and a standard deviation of 27. What is the probability that a randomly selected value from this population a. is between 100 and 140? b. is between 130 and 170? c. is between 65 and 90? d. is between 120 and 180?