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Seventy percent of married couples paid for their honeymoon themselves. You randomly select 20 married couples and ask them if they paid for their honeymoon themselves. Find the probability that the number of couples who say they paid for their honeymoon themselves is more than one.
The combined production level should not exceed 1200 units per month. The demand for product II is no more than half the demand for product I.
One state lottery has 500 prizes of $1, 75 prizes of $15, 15 prizes of $100, 5 prizes of $450, 2 prizes of $1225, and 1 prize of 2500. Assume that 28,000 lottery tickets are issues and sold for $1. What is the lottery's expected profit per ticket?
Test at .01 level of significance if mean number of number of calories for Brand A 16 oz. yogurt cups is greater than mean calories for Brand B 16 oz. yogurt cups.
study where a drug was given to 10 patients and a placebo to another group of 10 patients to determine if the drug has an effect on a patient's illness?
Suppose that people's heights (in centimeters) are normally distributed, with a mean of 165 and a standard deviation of 6. We find the heights of 40 people.
listed below are the durations in hours of a simple random sample of all flights of a space shuttle program. find
An elevator has a design capacity of 2,560 pounds and a posted limit of 16 passengers. The weight of adults is approximately normal with a mean of 150 pounds and standard deviation of 20 pounds.
What percentage of men are too tall to fit through a standard doorway without bending, and what percentage of women are too tall to fit?
If the cost per ounce of peas goes down by five cents, will the reported optimal solution still be optimal? Briefly explain/support your answer citing relevant figures, if any, from the output.
Pulte homes is developing two parcels near Medical Center in Houston, TX. In order to test different advertising approaches, they use different media to reach potential buyers.
a) Specify the null and alternate hypotheses for testing that the population correlation is negative. b) Calculate the estimate of the population correlation coefficient between X and Y.
The hypotheses tested by the one-way ANOVA F test - Evaluate the P-value of the ANOVA F test
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