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Manufacturing and Product Development eBags offers backpacks in 5 styles, 3 sizes, and 10 colors.
a. How many different backpacks does the company offer?
b. Midnight blue and dark green are the two most popular colors. How many different backpacks in these colors does the company offer?
c. The urban-style backpack is the least popular. If the company eliminates this style, how many different backpacks will it offer?
the probability of a manufacturing defect in an aluminum beverage can is .00009. if 100700 cans are produced find the
Calculate a 95% confidence interval for the average lifetime of the washing machines that the company uses. Calculate the sample size required to reduce the margin of error for a 95% confidence interval down to 7 (i.e. E = 7).
The weight of 500 american men were taken and the sample mean was found to be 194 pounds with a standard deviation of 11.2 pounds. what percentage of men have weights between 175 and 225 pounds
Pick a random sample of 50 homes from the enclosed 90 cases. Double the asking price and selling price and use this data to develop three predictive models:
A researcher is interested in whether or not hours studied is different for boys and girls. Is there a significant difference between the two groups?
A chi-square test for goodness of fit is used to test whether or not there are any preferences among 3 brands of cola.
Find the probability that for a randomly selected office hour, the number of student arrivals is 3. (b) What is the probability that he will get at most 5 students in a randomly selected office hour?
for a hypothetical magazine the probability that the reader is male given that the reader is at least 35 years old is
an article recommended the following estimated regression equation for relating y vo2max lmin a measure of
Researchers at a pharmaceutical company have found that the effective time duration of a safe dosage of a pain relief drug is normally distributed with mean 2 hours and standard deviation 0.3 hour.
Find the mean and variance of the average velocity of the particles and what is the probability that the average velocity is ≥ 10-9 cm/sec?
two uninsulated rigid tanks contain air. initially tank a holds 1 lbm of air at 1440degr and tank b has 2 lbm of air at
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