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Suppose X~N(0,1)and Y ~N(2,2),(that is ,EY =2 and Var(Y)=2) and X and Y are independently distributed. You are required to use the normal tables to answer the following questions.a) Find P{X is less than or equals to Y }.
Michael's Tire Company performs free tire balance and rotation for the life of any tires purchased there on a first-come, first-served basis. One mechanic handles this and can usually complete the job in an average of 20 minutes. Customers arrive ..
Ryan is planning to finance her college education by selling programs at the football games for her team. there is a fixed cost of $400 for printing these programs, and the variable cost is $3.
The following data represent glucose blood levels(mg/100ml) after a 12 hour fast for random sample of 70 women: Employ 6 classes and make a frequency distribution table.
A filling machine in a brewery is designed to fill bottles with 355 ml of hard cider. In practice, however, volumes vary slightly from bottle to bottle. In a sample of 49 bottles, the mean volume of cider is found to be 354 ml, with a standard dev..
A study of 200 commercial firms revealed the data below. What is the probability that a particular firm will have 1 million or more in income after taxes?
a student received an a on the first test of the semester. the student wants to calculate the probability of scoring an
the real estate assessor for a county government wants to study various characteristics of single family houses in the
A stationery store to estimate the mean retail value of greeting cards purchased by its customers when they visit the store. A random sample of 15 customers indicates a mean amount of $2.55 with a standard deviation of $0.44 per customer per visi..
Assistant dean use a sample of application to determine whether the mean examination score for freshman application has changed. State the hypothesses.
What is the probability that a single randomly sampled battery of this type lasts longer than 100 minutes. Does this suggest that a charge-life exceeding 100 minutes would be unusual?
Mike hears the weather forecast, and there ia a 50 percents chance of rain.Find the probability that he will have to work overtime given taht it rains.
Use the Kolmogorov-Smirnov test to discover whether the distribution of location of accidents is uniformly distributed for the month of September
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