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Dan must sell 3 diamond rings this week to meet his quota. He is meeting up with 5 possible customers, each who wants a different ring. If he has a 30% chance of making the sale with each customer, what is the probability that he will meet his quota by tomorrow.
Now suppose 3 of his customers want the same ring, and they will go to another store if its already been sold. Would it be appropriate to use the binomial distribution under these conditions? Why or why not?
Point to at least two directional and nondirectional hypotheses you would like to test associating either to your current job or job you would like to do after graduation.
Given the same sample mean and the same sample size which confidence interval estimate would be larger and why: One with a 90% confidence level or one with a 95% confidence level?
Find a 95% confidence interval for the true proportion of patients who experienced cotton mouth. Show your calculations and/or explain the process used to obtain the interval.
The firms are actually violating at least one regulaltion, what is the pmf of the number of firms visited by the inspector that are in violation of at least one regulation?
Determine the area under the normal curve with mu = 8 and sigma = 3. If Mary gets 90 on a physics test where mean is 85 and standard deviation is 4.59, where does she stand in relation to her classmates?
The heights in inches of 18 randomly selected adult males in LA are listed as: 70, 69, 72, 57, 70, 66, 69, 73, 80, 68, 71, 68, 72, 67, 58, 74, 81, 72. Display the data in a stem-and-leaf plot.
Critically discuss the probability that more than 175 cable households rate cable companies as good or excellent in quality transmissions?
A random sample of 90 voters found that 38% were going to vote for a certain candidate. Find the 99% limit for the population proportion of voters who will vote for that candidate.
The airline must sell 150 seats to break even on this particular flight. On what percent of the flights does the airline make money?
Post a message in the Discussion area that answers the following question. Do you think the person has ESP or can their success ratio be attributed to chance variation?
The student body of a large university comprises 60% female students. Elucidate what is the probability that the students in the sample exactly two are female?
A grab bag contains 10 $1 prizes, 7 $5 prizes, and 3 $20 prizes. three are chosen at random. find the probability that exactly two $20 prizes are chosen?
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