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Using the Central Limit Theorem. In Exercises 5–8, assume that females have pulse rates that are
6. a. If 1 adult female is randomly selected, find the
b. If 25 adult females are randomly selected, find the probability that they have pulse rates with a mean greater than 70 beats per minute.
c. Why can the normal distribution be used in part (b), even though the
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- The probability distribution of a random variable x is given in the table. Find the mean and standard deviation of the random variable.arrow_forwardpleaseee sir solve question 14 and 15arrow_forwardConsider throwing a die 20 times. Let X be the number of times the outcome is less than 3. Find the mean X and the variance ož. (a) 2.22 and 0.33 (b) 4.44 and 6.67 (c) 0.33 and 2.22 (d) 6.67 and 4.44arrow_forward
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