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Use the binomial function to answer the following questions (there is no data set here): Suppose a shipment of 410 components contains 70 defective and 340 non-defective computer components. From the shipment you take a random sample of 20. When sampling with replacement (binomial), determine the probability of obtaining:
a. Exactly two defective components in the sample of 20.b. Four or more defective components in the sample of 20.c. Four or less defective components in the sample of 20.d. Between one and four (inclusive) defective components.e. More than three defective components.f. What are the mean and variance of this discrete random variable?
Construct a scatter plot of P-RFM and P-HELM. If drawing the plot by hand, use graph paper to ensure accuracy.
Can you provide another explanation for this one: Zc/Tc for 86% confidence interval when the sample size 50?
An electrical firm manufactures light bulbs that have a length of life that is approximately normally distributed. If a sample of 16 bulbs has an average life of 50 hours and the population standard deviation is known to be 10 hours.
Compare the vital capacityfor the two groups.calculate a 99% confidence interval for the difference.the result of this comparison may be misleading.why?
The diameters of oranges in a certain orchard are normally distributed with a mean of 5.26 inches and a standard deviation of 0.50 inches.
10 cartons are taken at random from an automatic filling machine.The mean net weight of the carton is11.8 kg and standard deviation of 0.15kg. Does the sample mean differ significantly from the intended weight of 12kgs?
There is a program for STD/HIV/pregnancy education/prevention called Postponing Sexual Involvement (PSI) run in Atlanta. Evaluation data collected at the end of ninth grade as a follow-up to the program compared two group of adolescents
The dealer is required to stay with soft 18, 19, 20, or 21. For each possible up card, determine the probability that the ending value of the dealer's hand is 17, 18, 19, 20, 21, or broke.
Determine the most economical monthly shipping schedule. Provide a table showing the routes and total costs.
Based on the F distribution tables, what is the most accurate statement that can be made about the p-value for this test?
Suppose standard deviation stays same, how much do you have to decrease your average production time so that 95% of time you can deliver product in under 75 hours?
If the population standard deviation is $7, and a random sample of 50 properties is chosen, what is the probability that the sample average will be below $35?
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