The average age for a women having their last child is age 35. Assume the ages for having the last child have a normal distribution with a standard deviation of 10 years.
(a) What is the probability that a woman having her last child is between the ages of 30 and 37?
(b) Approximately 45% of women have their last child before what age?
Please write out.
The average age for a women having their last child is age 35. Assume the ages...
5. The owner of a comedy club has historically based her business decisions on the average age of her customers being 30 years. A random sample of customer ages is shown below. Based on this sample, is the average age greater than 30 years? Use a 5% level of significance. Assume that the distribution of ages is approximately normal. 37 30 26 35 45 42 51 40 43 27 39 38. 46 21 28 20 5. (a) 5. The owner...
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5 0063 Central Limit Theorem pages 278-285. If the mean height of women in the U.S.(ages 20-29) is 64 and the standard deviation is 2.75..... What is the probability that a randomly selected woman will have a height of more than 65.61 inches. Assume a normal distribution Show the standard normal graph with Z-scores. Graph is 2 of the 6 points b. What is the probability that 16 randomly selected women will have a mean height of more than 64.2...
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can you plz answer A and B correctly a. If the mean height of women in the U.S.(ages 20-29) is 64 and the standard deviation is 2.75..... What is the probability that a randomly selected woman will have a height of more than 66.19 inches. Assume a normal distribution. Show the standard normal graph with 2-scores. Graph is 2 of the 5 points. b. What is the probability that 17 randomly selected women will have a mean height of more...
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