Binomial random variable
Suppose that X is binomial random variable with n = 10 and p = 0.70. Calculate the following probabilities.
a. P(X = 9)
b. P(X = 8)
c. P(X ? 8)
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Change last number from 1.53 to 50 and recalculate confidence interval. Using the results, explain the effect of outlier or extreme value on confidence interval.
Show that the median time to failure is less than the MTTF for constant hazard components.
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Given three groups: A, B and C; and supposing all assumptions are satisfied, determine the following value: SSE. Calculate your answer accurate to two decimals. Round to the nearest hundredth.
Assume that the lifetimes of batteries employed in tablet computer follow independent Exponential distributions with mean 1.5 years. If battery fails, it is immediately replaced by identical battery. You purchase a new tablet today. Determine the
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A light bulb manufacturer guarantees that mean life of a certain kind of light bulb is at least 800 hours. A random sample of 39 light bulbs has mean life of 786 hours with standard deviation of 55 hours. Do you've enough evidence to reject the ma
A study explains that 35% of American families who are given coupons will try new product in the first six months. If 100 families are given coupons determine the probability that at least 30 of them will try the new product in six months? Please
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