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A marketing researcher analyzing the fast-food industry noticed the following:
The average amount spent at a fast-food restaurant in California was $3.30, with a standard deviation of $0.40.
Yet in Georgia, the average amount spent at a fast-food restaurant was $3.25, with a standard deviation of $0.10.
What do these statistics tell you about fast-food consumption patterns in these two states?
Compare a tabular cum sum chart using standardized values h = 5 and k = 1/2. What is the information you learn.
Financing with a Portfolio Raleigh Corp. needs to borrow funds for 1 year to finance an expenditure in the United States. The following interest rates are available:
assume that team a beats team b in 75 of the nba games they play against each other they play normal nba games i.e. 4
Manufacturing and Product Development Shanghai Creative Material, Co. Ltd., makes plating tape for use on circuit boards, designed to be 4 mil thick.
let x denote the amount of time for which a book on 2-hour reserve at a college library is checked out by a student and
In 2004, 70% of children in the United States were living with both parents, 23% were living with mother only, 3% were living with father only.
an experimenter compares two sets of measurements from indpendent samples group agroup b mean13.011.2variance4.04.5size
The distribution of box weights is normally distributed with a mean of 9 ounces and a variance of 0.01 ounces. What is the probability of randomly selecting a box containing less than 8.9 ounces?
a sample of 51 observations has a mean of 98 and a standard deviation of 7. a second sample of 69 observations has a
An article in Forbes discusses the problem of oil and gas reserves around the world. Forecasting the amount of oil available is difficult.
Compute the probability that a female between ages 45 and 55 who test positive for breast cancer has breast cancer, and enter your answer with 3 decimal places.
Assume that the number of left-handers is a binomial random variable. (Refer to the formula for mean and standard deviation for binomial prob. Distribution)
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