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A packet of sunflower seeds states that each seed will germinate with probability 0.7. A gardener randomly selects 6 seeds, plants them, and records whether or not each seed germinates.
Define a random variable x. What is its probability distribution?
There are twelve months. Given the cohort of 100 which starts the program, about how many are left after twelve months?
Use Are the data statistically significant at the given level of significance? Based on your answers, will you reject or fail to reject the null hypothesis?
The wheeling tire company produced a batch of 5000 tires that includes exactly 200 that are defective. if four tires are randomly selected what is the probability that they are all good?
Give a 90% confidence interval for the mean "absolutely refractory period" for all rats of this strain when subjected to the same treatment.
This paper is a detailed and comprehensive review of statistical research performed by others on a business related topic of the student's choice.
Compute the probability that student eats at fast food restaurant 2 or more times per week?
How far away from the mean is she (or how many standard deviation units away from the mean is she) and find the interquartile range of this distribution of X.
A reporter took a simple random sample of 725 voters in a region that has a population of 12,457. He recorded that 338 of the persons polled favored Issue 1 on the ballot.
suppose a consumer group asked 18 consumers to keep a yearly log of their shopping practicesand that the following data
Suppose the population standard deviations are not the same. At.05 significance level, is there a difference in mean waiting time?
The heights of 10 sixth graders are listed in inches: {54, 62, 54, 57, 60, 61, 53, 63, 59, 56}. Find the mean, median, mode, sample variance, and range.
Determine the point estimate? Give the symbol and value.
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