Question: 1. Give a 99.9% confidence interval, for /1 - /2 given the following information. n1 = 50, x1 = 2.66, $1 = 0.92 72 =

1. Give a 99.9% confidence interval, for /1 - /2 given the following information. n1 = 50, x1 = 2.66, $1 = 0.92 72 = 20, 2 = 2.87, $2 = 0.48 Use Technology Rounded to 2 decimal places. HintYou are testing the claim that the proportion of men who own cats is smaller than the proportion of women who own cats. You sample 140 men, and 40% own cats. You sample 120 women, and 25% own cats. Find the test statistic, rounded

to two decimal places. You are testing the claim that the proportion

of men who own cats is significantly different than the proportion of

Give a 99.9% confidence interval, for /1 - /2 given the following information. n1 = 50, x1 = 2.66, $1 = 0.92 72 = 20, 2 = 2.87, $2 = 0.48 Use Technology Rounded to 2 decimal places. HintYou are testing the claim that the proportion of men who own cats is smaller than the proportion of women who own cats. You sample 140 men, and 40% own cats. You sample 120 women, and 25% own cats. Find the test statistic, rounded to two decimal places. You are testing the claim that the proportion of men who own cats is significantly different than the proportion of women who own cats. You sample 140 men, and 8596 own cats. You sample 200 women, and 10% own cats. Find the test statistic, rounded to two decimal places. ..__.___._.. __ You are testing the claim that the mean GPA of night students is greater than the mean GPA of day students. You sample 25 night students, and the sample mean GPA is 2.52 with a standard deviation of 0.23 You sample 55 day students, and the sample mean GPA is 2.46 with a standard deviation of 0.63 Calculate the test statistic, rounded to 2 decimal places You are testing the claim that the mean GPA of night students is different than the mean GPA of day students. You sample 50 night students, and the sample mean GPA is 2.9 with a standard deviation of 0.68 You sample 35 day students, and the sample mean GPA is 2.97 with a standard deviation of 0.72 Calculate the test statistic, rounded to 2 decimal places Calculate the test-statistic, t with the following information. n1 2 40, 57:] = 2.99, 31 = 0.96 n2 2 20, 5:2 2 3.37, 32 = 0.63 Rounded to 2 decimal places. Question Help: D Post to forum Calculate the test-statistic, t with the following information. n1 = 60, x1 = 2.58, $1 = 0.96 n2 = 25, x2 = 2.71, 82 = 0.95 Rounded to 2 decimal places

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