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44 sharks are caught and length is measured in feet. Average was 15.59 feet with standard deviation of 2.55 ft. Test if population mean of all sharks is 16 ft. Use alpha .05 and conduct the six steps of hypothesis testing.
What is the actual formula for finding the exact probability from the z-score without having to use the table?
Computing the probability values using normal distribution - Find the probability that a regular rat (without the supplement) would solve the maze with a score less than or equal to X = 24 errors?
Do a two-sided Fisher's exact test at the 0.05 level of the null hypothesis that the lady is guessing randomly. Do a one-sided test at the 0.05 level.
1. the selling prices in thousands of dollars for a sample of 15 recreational vehicles sold by getaway rvs and boats
The lifetimes X of a certain brand of component used in a machine can be modeled as a random variable with pdf f(x) = (1/θ) e-(x/θ). The reliability R(x) of the component is de?ned as R(x) = 1 - F(x).
find and interpret the 98 confidence interval for the standard deviation of the time that it takes a telephone
Calculate the sample statistic and standard error you will use to create the test statistic.
James Burke claims that about 70% of all single men would welcome a women taking the initiative in asking for a date. A random sample of 20 single men were asked if they would welcome a women taking the initiative in asking for a date.
a student earns 14 per hour for tutoring and 7 per hour as a teachers aid. let x the number of hours each week spent
Based on chi-square table, what is the most correct statement which can be made about the p-value for the test?
the number of taxicabs waiting outside a popular downtown bar can be modeled as a poisson random variable. the
the probability that exactly 7 out of 10 students carry an electronic pad with them to university is 0.0212. what is
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