What is the probability that Boston has less than 200 sunny days in a given year?
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| Boston, Massachusetts, averages | 211.7 | sunny days per year. | Assume that the number of sunny days |
| follows a |
20 | days. |
| 20 | What is the probability that Boston has less than | 200 | sunny days in a given year? | ||||||
| a | 0.2394 | ||||||||
| b | 0.2520 | ||||||||
| c | 0.2653 | ||||||||
| d | 0.2793 |
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- The average height of flowering cherry trees in a nursery is 10feet. If the heights are normally distributed with a standard deviation of 1.4, find the probability that a randomly selected cherry tree in this nursery is less than 12 feet tall. 0.76 0.96 0.92 0.84The annual income for a sample of 450 part-time students is normally distributed with a mean income of $31,000 and a standard deviation of $3,000. What is the probability their annual income is $30,000? DO NOT USE EXCEL Use z TABLESuppose that heights of women in Utah are normally distributed with a mean of 74 inches and a standard deviation of 3.4 inches. Find the probability that a randomly chosen woman is between 62 and 68 inches tall. Find the probability that a randomly chosen woman is taller than 80 inches tall. Find the 95th percentile. inches
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