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The weight of the cereal in a box is a random variable with mean 12.15 ounces and standard deviation 0.2 ounce. What percentage of the boxes have contents that weigh under 12 ounces? If the manufacturer claims there are 12 ounces in a box, does this percentage cause concern? If so, what two things could be done to correct the situation? Which would probably be cheaper immediately but might cost more in the long run?
The MacBurger restaurant chain claims that the waiting time of customers for service is normally distributed, with a mean of 3 minutes and a standard deviation of 1 minute.
question 1 the average fill volume from a random sample of 49 bottles of an energy drink is 32.8 ounces the standard
Suppose that a certain college class contains 45 students. Of these, 26 are sophomores, 25 are chemistry majors, and 7 are neither. A student is selected at random from the class.
assume that in a population of interest the ratio of males to females is 11. if you choose a random sample of 25 from
hypothesis test for two factors anova.nbspnbspnbspnbspnbspnbsp a mail order catalogue company operates with three
If PV is a tree before observing the evidence, then we would like PV PV |A= a to be also represented as a tree. Is this always possible?
slot machines have three drums with the same number of positions on each drum. each position contains a symbol. when
the probability that a household is both prosperous and educated is P (A and B) = 0.082. What is the probability P (A or B) that the household selected is either prosperous or educated.
the following data give the speeds of 13 cars measured by radar traveling on the interstate highway i-84.67 72 63 66 76
twenty percent of the employees of a large company are female. use the normal approximation of the binomial
The sample mean was found to be 194 pounds with a standard deviation of 11.2 pounds. What percentage of men have weights between 175 and 2235 pounds?
For a year to be in the upper 5% with respect to the number of fatal crashes, determine how many fatal crashes would have to occur.
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