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Assume that a manufacturer of tennis balls produces a ball whose bounce from six feet is normally distributed with a mean of 42 inches and a variance of 4 inches.
a) Sketch the probability distribution function.
b) How often will a ball bounce more than 46 inches?
c) How often will a ball bounce less than 40 inches?
d) How often will 2 consecutive bounces be less than 40 inches (assuming the bounces are independent)?
spare servers are maintained in stock to support it operations. a study determined that on average there are four
Find the median and the first and third quartiles for the number of CDs owned by senior citizens. Develop a box plot for the information.
One box contains five red and six black marbles. A second box contains 10 red and five black marbles. One marble is drawn from box 1 and placed in box 2.
For each of the sets of scores given in Problems 5b and 5c, show that ΣX2 ≠ (ΣX)2.- Given the scores X1 = 3, X2 = 4, X3 = 7 and X4 = 12. find the values of the following expressions.
The first three digits of a university telphone exchange are 452. if all the sequences of the remaining four digits are equally likely, what is the probability that a randomly selected universtiy phone number contains seven distinct digits?
Demand for pools. Tropical pools sells an aboveground model for p dollars each. The monthly revenue from the sale of this model is given by..R= -0.08p^2 + 300p
Provide an example of three events that would be mutually exclusive. Are these events also exhaustive? Then, give an example of three events that would be exhaustive. Are these exhaustive events also mutually exclusive?
1. Allen Machines specializes in developing weed-harvesting equipment that is used to clear small lakes of weeds. Allen Machines is contemplating the construction of a machine that would harvest weeds on narrow rivers and waterways. The activ..
Psychological test. For the sample data, n = 50,mean = 17.3 and S.D = 5.4.USE level of significance = .05. Complete hypotheses testing using P value approach.
A life insurance policy has determined that each week an average of seven claims is filed in its Nashville branch. What is the probablity that durning the next week exactly seven claims will be filed?
In a standard deck, there are 52 cards. Twelve cards are face cards (F) and 40 cards are not face cards (N). Draw two cards, one at a time, without replacement.
I was incensed to read in your article about the return of anti-Semitism that New York City Moral Majority Leader Rev. Dan C.
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