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The amount of milk that the American Cookie Company sells in a given week is random. Suppose the milk sells for $2.00 per cup and it costs the store $1.50 per cup. The following describes the distribution of demand for milk in a one week period. There is a probability of 0.11 that the store will sell 110 cups of milk; there is a probability of 0.28 that the store will sell 130 cups of milk; there is a probability of 0.29 that the store will sell 170 cups of milk; otherwise, the store will sell 210 cups of milk. What is the expected number of cups of milk the store will sell in a given week?
a newspaper article reported that a poll based on a sample of 1150 residents of a state showed that the states
suppose the estimated slope coefficient in a regression model measuring the association between the independent
if x1 and x2 are independent random variables x1 has a chi-square distribution with 3 degrees of freedom and x1 x2 has
A restaurant has an ice cream counter where it sells two main products, ice cream and frozen yogurt. The restaurant makes one order for ice cream and yogurt each week, and the store has enough space for 115 gallons of both products.
A prison official wants to estimate the proportion of cases of recidivism. In examining 250 convicts there are 65 cases. with 99% confidence interval what is the range? How do you figure this type of problem?
Obtained first quartile = 47 third quartile = 70 standard deviation = 8 range = 58 mean = 58 median = 63 mode = 56 midrange = 63. what was the highest score earned.
urn 1 has 5 red and 7 blue balls and urn 2 has 6 red and12 blue balls. pick 3 uniformly and randomly from each of the 2
an actuary determines that the claim size for a certain class of accidents is a random variable x with moment
Develop a decision tree and/or complete payoff tables to represent the alternatives and outcomes for consideration by PIMCO.
The manufacture of a new compact car claims the miles per gallon (mpg) for the gasoline consumption follow a normal distribution with mean of 25.9 mpg and standard deviation of 9.5 mpg . if 36 such cars are tested , what is the probability the ave..
a particular manufacturing design requires a shaft with a diameter between 19.88 mm and 20.018 mm. the manufacturing
Write Cumulative distribution function.Find the cumulative distribution function F(x).
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