Probability distribution for a sample
For a particular brand of seed, on the average 10% of the seeds do not germinate. Find the probability distribution for a sample of 50 seeds.
Particularly, can you show me how this is done in excel with the BINOMDIST function?
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Suppose that you improve the process so that the occurrence rate of defects is cut in half to l = 0.01. What effect does this have on the prob- ability that an assembly will have one or more defects?
A standard deck of cards contains 52 cards. One card is randomly selected from the deck. A. Compute the probability of randomly selecting a two or three from a deck of cards.
Suppose that replacement times for washing machines are normally distributed with a mean of 9.3 years and a standard deviation of 1.1 years. Find the probability that 70 randomly selected washing machines will have a mean replacement time of less
Wasserman and wadsworth 1989 discuss a process for the manufacture of steel bolts that continuously feed an assembly line downstream. Historically, the thickness of these bolts follow a normal distribution with a mean of 10.0 mm and a standard dev
Sokal and rohlf 1981 studied purebred Canadian dairy cattle. The butterfat percentages from 2-year-old cows follow a normal distribution with a mean of 4.51 and a standard deviation of 0.348.
a) Assuming that pairwise comparisons of the treatment means are to be made with a 90 perecent family confidence coefficient, find the widths of the Tukey, Scheffe, and Bonferroni procedure for the following numbers of pairwise comparisons in
A student, asked to give a class demonstration of the use of an ordinary t-statistic confidence interval for comparing two means in a single factor study with 5 levels, proposed to construct a 99% confidence interval for the pairwise comparison of
It is found that when a particular 4-sided die is rolled a 1 occurs 26.9% of the time, a 2 occurs 23.8% of the time, a 3 occurs 24.2% of the time, and a 4 occurs 25.1% of the time.
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