Reference no: EM13241197
1. Find the probabilities for the following discrete random variables
a. Among a shipment of 5,000 tires, 1,000 are slightly blemished.If one purchases 10 of these tires, what is the probability that 3 or less (P (x
b. The probability that a hockey game will go into overtime is .3; Of the next 12 hockey games, what is the probability that more than 3 (P(x >3)) will go into overtime?
c. The probability that a person, living in a certain city, owns a dog is estimated to be 0.3.Find the probability that the tenth person randomly interviewed in that city is the sixth one to own a dog.
d. A local drugstore owner knows that, on average, 100 people per hour stop by his store. Find the probability that in a given 3 minute period, more than 5 (P(x > 5) people enter the store.
e. An electronic switching device occasionally malfunctions and may need to be replaced.It is known that the device is satisfactory if it makes, on average no more than .2 errors per hour.A particular five hour period is chosen as a "test" on the device. If no more than 1 error occurs, the device is considered satisfactory.What is the probability that a satisfactory device will be mis- diagnosed as "unsatisfactory" on the basis of the test?
f. A restaurant chef prepares a tossed salad containing, on average, 5 vegetables per day. Find the probability that the salad contains more than 5 vegetables on i) a given day and on ii)3 of the next 4 days?
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Based on information obtained from a sample of 54
: Based on information obtained from a sample of 54, a 98% confidence interval for the average profit level of regional banks is given by 67.4 million to 87.78 million. Determine the sample standard deviation of profit
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Determine if such a length is considered unusual
: A woman wrote to DearAbby and claimed that she gave birth 308 days after a visit from her husband, who is in the Navy. Lengths of pregnancies have a mean of 268 days and a standard deviation of 15 days
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Determine the potential of the sphere relative to infinity
: A highly charged piece of metal (with uniform potential throughout) tends to spark at places where the radius of curvature is small, For that amount of charge, what is the potential of the sphere relative to infinity
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What is the standard general score conversion formula
: What is the standard general score conversion formula? Is this the same as a z-score formula? Which leads me to ask How do you convert from one standard score to another?
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Find the probabilities for discrete random variables
: Find the probabilities for the following discrete random variables and find the probability that the salad contains more than 5 vegetables on i) a given day and on ii)3 of the next 4 days?
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Christianity-islam-hinduism and buddhism
: Compare and contrast the beliefs (including the treatment of women) of the major world religions: Judaism, Christianity, Islam, Hinduism, and Buddhism.
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Why dont you use the same value in both
: When you calculate CIs for time on task, I notice that you use the critical value from the t-distribution (TINV(0.05, degrees_of_freedom))
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What is the formula for the inclusive range
: What is the formula for the exclusive range?
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Islam spread more rapidly than other major world religion
: Islam spread more rapidly than any other major world religion. Why do you think this was? What aspects of the religion made it appealing? How was the cultural climate conducive to the rapid expansion of Islam?
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