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Word problem: Laura Long Mountain cycling tour define Permutations and combinations Laura is training for a week -Long Mountain cycling tour. She has 12 short hilly routes from which to select mid-week rides.
a) How many ways can she choose 4 different rides from list for the first week's training if order matters?
b) How many ways can she choose 4 dissimilar rides if order does not matter? If she has chosen the first weeks rides, how many ways can she choose four more different rides for second week? Suppose that order does not matter.
Find out the following probabilities. Probability that exactly 27 items will be good.
The accompanying two histograms represent the distribution of acceptance rates (percent accepted) among 25 business schools in 1995. The histograms use different class intervals, but are based on the same data. In each class interval, the left endpoi..
Determine the event that the sum of the numbers falling uppermost is less than or equal to 7
A teacher gave a 25 question multiple choice test. After scoring the tests, she computed a mean and standard deviation of the scores. The standard deviation was 0. Based on this information
Based on this information, confidence level would be 90% that population mean is somewhere between?
Gigi has rolled a natural on four straight tosses of the dice. This excites the gamblers standing around the table.
Calculate the population mean and population standard deviation.
Test the hypothesis. Will you reject or not reject the null hypothesis at α = 0.05
Find probability using normal distribution.Using N (1152, 84), the Normal model for weight of Angus steers, what percent of steers weigh.
If the sample standard deviation of the sample was $630 also the sample size was 50. Findout the 90% confidence interval of true mean.
To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been randomly assigned to the 3 treatments. You are given the results below.
At the .10 level of significance, is the coin biased toward heads? Show your decision rule and calculations.
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