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1. Find the probability distribution for x = the sum of a fair, four sided die and and fair, sixsided die. b) for x from problem 1, find the probability of having the sum be at least four. c) for x from problem 1, find the probability for the sum being at most 8.
2. find the probability that the sum is exactly 4 twice, when rolling the two dice 7 times
3. Find the probability that the sum is 10 for the first time, happens on the 20th roll of the two dice
The U.S. Commission of Crime wishes to estimate the fraction of crimes related to firearms in an area with one of the highest crime rates in the country.
Suppose the paper cannot support the fixed expenses of a full-production setup if the circulation drops below 321,000. If the probability of this event occurring is low, the production manager might try to keep the full crew in place and not disru..
Compute the expected return and standard deviation of each of the two securities. Assume Miss Maple invested $2,500 in Security A and $3,500 in security B. Calculate the expected return and standard deviation for her portfolio.
Assume that we randomly select 15 teachers who have recently left their profession. Find the probability that at least 6 of them were laid off.
Suppose you obtain a 100 bag random sample by taking 25 subgroups of 4 bags each, the mean weight of the 25 subgroups was 16.00 ounces with a total of the subgroup ranges of 87.5 oz.
The manager for Select-a-Seat, a company that sells tickets to athletic games, concerts, and other events, has determined that the number of people arriving at the Broadway location on a typical day is Poisson distributed with a mean of 12 per hou..
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How would you explain the analysis of variance, assuming that your audience has not had a statistics class before?
A random sample of 180 individuals had their blood sugar level measured. The 5-number summary was. How many of the people in the sample had glucose levels above 119?
what is the probability that a binomial random variable x having parameters n 500 and p 0.025 takes a value greater
on average a vacuum wears out after 2000 hours with a standard deviation of 400 hours. assume that the distribution of
question dr. patton is a professor of english. recently she counted the number of misspelled words in a group of
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