yesterday, maura's doughnut shop sold 3/5 as many chocolate doughnuts as cinnamon doughnuts?if they sold 1/2 of a tray of cinnamon doughnuts, how many trays of chocolate doughnuts did they sell?​

Volume of cylinder with a radius of 8cm and height of 25 cm

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

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%