Mathematics, 16.04.2020 22:05 kimberlyhansen92
For each problem: Step 1: State the null and alternative hypotheses Step 2: Indicate the critical value of the appropriate statistic (and draw a picture of the distribution, showing the alpha/critical region and the critical value of the statistic β you CAN copy this from a table or online calculator) Step 3: Calculate the test statistic/p-value. Step 4: State the decision and conclusion. Do you retain or reject the null hypothesis? And what does that mean in terms of the problem - write a verbal conclusion that relates back to the actual problem. 1. 50 men and 50 women are intercepted at a mall, asked to smell two fragrances (vanilla vs. musk) and then pick the one they like best. The data are shown below. Is gender related to preference for a certain type of fragrance (does it impact which fragrance is preferred?)? Use alpha = .05. Musk Vanilla Men 35 15 Women 20 30
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He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean and standard deviation according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%
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An electrician cuts a 136 foot long piece of cable. one piece is 16 feet less than 3 times the length of the other piece. find the length of each piece
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For each problem: Step 1: State the null and alternative hypotheses Step 2: Indicate the critical va...
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