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The scheduled commuting time on the Long Island Rail Road from Glen Cove to New York City is 65 minutes. Suppose that the actual commuting time is uniformly distributed between 64 and 74 minutes. What is the probability that the commuting time will be
a. less than 70 minutes?
b. between 65 and 70 minutes?
c. greater than 65 minutes?
d. what are the mean and standard deviation of the commuting time?
Assume if the students toss the coin 200 times each about 68% should have proportions among what two numbers.
MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?
The annual demand for a product is 1,000 units. The company orders 200 units each time an order is placed. The lead-time is 6 days, and the company has determined that 20 unites should be held as a safety stock.
For each of the following statistical tests, state the null hypothesis and the two sided alternative hypothesis.
Twelve case of leukemia are reported in people living in a particular census tract over a five year period. Is this number of cases abnormal if only 6.7 cases would be expected based on national cance-incidence rates?
A real estate agent in the coastal area of Georgia wants to compare the variation in the selling price of homes on the oceanfront with those one to three blocks from the ocean sample of 21 oceanfront homes sold within the last year revealed the st..
He is expected to satisfactorily service 10 patients per day at an hourly wage of $8. Which dental hygienist would be the better hire? Why?
If absolute value of test statistic is less than critical value in hypothesis test decision is to?
A big part of regression analysis involves hypothesis testing. For example the t-score for b1 tests a hypothesis...what is the H0 and Ha for this hypothesis?
Which of the following would produce a new confidence interval with smaller width based on these same data and produce a new confidence interval
A better case can be made that observation 13 (Los Arboles) is an outlier. Describe what this means in plain terms.
For a binomial probability experiment, with n=150 and p=.2, it is appropriate to use the normal approximation to the binomial distribution.
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