A simple random sample from a population with a normal distribution of 104 body temperatures has X = 98.80°F and s = 0.63°F. Construct a 95% confidence interval estimate of the standard deviation of body temperature of all healthy humans.

(Round to two decimal places as needed.)

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax