Johnny Stromp 010442335 HW 11 12.22 The 95% confidence interval for the mean winnings on the show is ($14,422.55, $33,678.78). 12.23 The data received from the doctors test gives a 95% confidence interval of (17.69, 24.01). Therefore the mean is not high

Johnny Stromp #010442335 Data HW 14 13.47 a. The 90% confidence interval for the improvement of sales between the two years is $1,300 to $38,200. b. Because the entire confidence interval is greater than 0, we are able to infer that by using the yellow pa

The test statistic is -1.00 and the p-value is .3173, a figure that does not allow us to reject the null hypothesis. Because we were not able to reject the null hypothesis we say that there is not enough statistical evidence to infer the alternative hypot

Jonathan Stromp 010442335 Homework Assignment #6 1. A point estimator draws inferences about a population by estimating the value of an unknown parameter using a single value or point. Where as an interval estimator draws inferences about a population by

Johnny Stromp 010442335 9.18 a. The probability the professor works for more than 60 hours a week is 9.18%. b. The probability the mean amount of time three professors work more than 60 hours a week is 1.04%. 9.19 a. The proportion of students that eat mo

The proportion a student spends more than 10 hours a week on their homework is 11.70%. The probability a student spends 7 to 9 hours on their homework is 32.89%. The proportion of A students that spend less than 3 hours studying is 1.62%. The amount of ti

Johnny Stromp 010442335 Bonus HW 12.31 The data gathered by the survey dealing with the amount of time executives spend reading and sending email had a 95% confidence interval of (60.758, 66,636). It also resulted with a mean of 63.698, therefore we can i

Johnny Stromp #010442335
12.86 We estimate that between 16.86% and 21.41% of all Americans are obese. If we multiply these figures by the total population of America, 270 million, we produce an interval estimate of the number of obese people in America. T