Consider the table belowage group Frequency18-29 983130-39 7845 40-49 6869 50-59 6323 60-69 5410 70 and over 5279 What is P(50-69′)? Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”
Monthly water bills for a city have a mean of $108.43 and a standard deviation of $36.98. Find the probability that a randomly selected bill will have an amount greater than $165, which the city believes might indicate that someone is wasting water. Would a bill that size be considered unusual? Looking for a […]
In a survey of first graders, their mean height was 49.9 inches with a standard deviation of 3.15 inches. Assuming the heights are normally distributed, what height represents the first quartile of these students? Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”
On average, the parts from a supplier have a mean of 35.8 inches and a standard deviation of 2.4 inches. Find the probability that a randomly selected part from this supplier will have a value between 31.0 and 40.6 inches. Is this consistent with the Empirical Rule of 68%-95%-99.7%? Looking for a Similar Assignment? […]
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