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Probability/Statistics In each of the following problems, write a probability and a statistics question associated with the given information.
a. It has been reported that 62% of all people use a social media.
b. Only 37% of all people in the United States are eligible to donate blood.
c. Fifty-two percent of all old washing machines are front-loading.
d. Forty percent of the people in the Washington, DC, area travel over the holiday season.
Bernoulli. Do these situations involve Bernoulli trials? Explain. We roll 50 dice to find the distribution of the number of spots on the faces.
a long-distance cyclists back tire sometimes pops during long rides. because the cyclist knows that her tire has a
a number of tubes of toothpaste purchased by a typical family is a random variable having a poisson distribution with
Find the critical value if the test is done with 5% level of significance (alpha=5%).
Information on a packet of seeds claims that the germination rate is 92%, only 171 of 200 test seeds sprout. Is this evidence that the seeds have lost viability during a year in storage?
Construct an x bar- Chart. (Make sure to determine the upper and lower control limits.) Is the process in control? Explain why or why not. Construct an R- Chart. (Make sure to determine the upper and lower control limits.)
Since it is desirable to amplify the 1000-Hz component in the process, arrange to provide an overall gain of 100 as well. The op amps available are ideal except that their output voltage swing is limited to ±10 V.
What is the probability that the graduate selected will be a male who is not a member of a sports team? What is the probability that the graduate will be either a female or a member of a sports team?
The element lutetium is a very heavy, rare, silvery white metal. It is considered to be the most expensive metal in the world. The Maharaja of Gaipajama wants you to babysit with his son.
The random variable X has which of the following probability distributions and What is the probability that no student wins
What is the probability the mean repair cost for a sample of 100 customers will be between $15.10 and $15.80?
The dealer is required to stay with soft 18, 19, 20, or 21. For each possible up card, determine the probability that the ending value of the dealer's hand is 17, 18, 19, 20, 21, or broke.
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