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Eighteen telephones have just been received at an authorized service center. Six of these telephones are cellular, six are cordless, and the other six are corded phones. Suppose that these components are randomly allocated the numbers 1, 2, . . . , 18 to establish the order in which they will be serviced. (Round your answers to four decimal places.)
(a) What is the probability that all the cordless phones are among the first twelve to be serviced?
(b) What is the probability that after servicing twelve of these phones, phones of only two of the three types remain to be serviced?
(c) What is the probability that two phones of each among the first six serviced?
Powerball is a lottery game. It involves choosing five white balls from a drum containing 55 balls and one red ball from a drum containing 42 balls. A player must match all five white balls and the red ball to win the jackpot.
At the a = .05 level, is there sufficient evidence that the average calorie content is less than 100 calories?
Colleges typically use grade point average cutoffs to decide who graduates with honors and who is accepted into certain programs (such as teacher education, for example).
The weight of children in the U.S. are normally distributed with a mean of 8.0 pounds and standard deviation of 1 pound
a. Compute the mean, meridian and mode. b. Briefly describe what each statistic tells you.
What are the steps of testing a hypothesis for two populationmeanswith independent and dependent samples? Provide a workplace or business related example
There is a 0.7 probability that students will follow instructions. What is the probability that exactly 14 of 20 students all instructions.
Based on this information, complete the following statements about the distribution of the scores on the writing section for the recent year.
1. Calculate the predicted Net Hourly wage if the price of a Big Mac hamburger is $4.50.
Prepare appropriate frequency distribution, represent above data by suitable graph - Plot these data and comment on the nature of relationship between the two variables under consideration.
a simple random sample of 300 properties is taken from a collection of 9500 properties 3000 of which do not have
Calculate a value of lambda using the data from last week concerning the news networks and the reporting practices. Compare your resulting lambda to the resulting chi-square from last week.
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