the following information was obtained from two independent random samples: the sample means of the two samples are (45, 42), sample variances are (85, 90) and sample sizes are (10, 12). assume normally distributed populations with equal variances. the 95% confidence interval for the difference between the two population means is

Acompetent person is responsible for making a inculding the surrounding area of evacuations including the surrounding areas of protective system

Increasing line of siam top trave increasing line of sight and path of travel is good idea when driving at higher speeds because it a driver to remain prepared

Heights of men on a baseball team have a bell-shaped distribution with a mean of 177 cm and a standard deviation of 6 cm. using the empirical rule, what is the approximate percentage of the men between the following values? a. 159 cm and 195 cm b. 165 cm and 189 cm a. 89% of the men are between 159 cm and 195 cm. (round to one decimal place as needed.) b. 89% of the men are between 165 cm and 189 cm. (round to one decimal place as needed.)