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10 squirrels were found to have an average weight of 9.6 ounces with a sample standard deviation is 0.30. Find the %99 confidence interval of the true mean weight.
You are dealt 2 cards successively without replacement from a shuffled deck of 52 cards. Find the probability that the first card is a king and the second card is a queen.
Which depressed this tobacco company stock.) Describe the shape, center, and spread of the data after you omit the outlier. (c) The data appear in time order readi.
question 1aa statistics practitioner wants to test the following hypothesesho p.70h1 pgt .70a random sample of 100
Consider the trash bag problem. Suppose that an independent laboratory has tested trash bags and has found that no 30-gallon bags that are currently on the market have a mean breaking strength of 50 pounds or more.
The 2006 General Social Survey asked, "what do you think is the ideal number of children for a family to have?" The 1097 females who responded had a median of 2, mean of 3.16, and a standard deviation of 1.91.
Give a brief definition and an example of the following: What does the correlation coefficient r describe? What about r squared?
consider the following question.a girl having two siblings is chosen at random. what is the probability that she has no
Provide at least 1 example of how a real company has used each of the following multivariate techniques: factor analysis, multi-dimensional scaling, and cluster analysis.
a student takes a calculus midterm and a history midterm. the mean and standard deviation on the calculus midterm are
A store has determined that 25% of all sales are credit sales. A random sample of 75 sales is selected. What is the probability that the sample proportion will be:
Both SAT and ACT scores are normally distributed. What is the probability that a randomly selected high school senior's score on the mathematics part of the SAT will be more than 630?
a random sample of 121 checking accounts at a bank showed an average daily balance of 280. the standard deviation of
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