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Wanda is going to Silver Dipper Ice Cream Shop to get a treat. She has 12 flavors of ice cream to choose from. There are 6 different types of toppings, and she may get her ice cream in a bowl, a regular cone, or a waffle cone. She will choose one flavor of ice cream, one topping, and one type of cone/bowl. How many different ice cream treats are possible for Wanda?
The flashlight batteries produced by one of the northern manufacturers are known to have an average life of 60 hours with a standard deviation of 4 hours. Use Chebyshev's theorem to answer the following questions.
Mean income with an error of $500 can be constructed. If the population standard deviation is known to be $8,000 what sample size would the economist need to use?
A standard deviation of 14 inches. What is the probability that the mean annual snowfall during 49 randomly picked years will exceed 96.8 inches?
a. What is the population proportion of people who moved to the suburb in the last five years?
What is the probability that a simple random sample of auto insurance policies will have a sample mean within $25 of the population mean for each of the following sample sizes: 30, 50, 100, and 400.
If Jan was not one of the four students selected earlier in the week, what is the probability that she will be picked on Friday? Explain how you found your answer.
Compute and plot the probability distribution for a sample of 5 items taken at random from a production process known to produce 30% defective items.
if you assume returns follow a normal distribution, which investment has a better chance of giving you $40 million in returns.
website visitors are often loath to disclose personal information when making a purchase on the internet. despite
a) Construct a tree diagram to portray the sequence of three contacts, using S for sale and S' for no sale.
An efficiency study was done on the delivery of first-class mail originating from the four cities listed in the following table. Recorded for each city was the average length of time (in days) that it took a letter to reach a destination in..
Suppose the number of baskets scored by the Indiana University basketball team in one minute follows a Poisson distribution with ? = 1.5.
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