The weight of an organ in adult males has a bell-shaped distribution with a mean of 310 grams and a standard deviation of 50 grams. Use the empirical rule to determine the following
(a) About 99.7% of organs will be between what weights?
(b) What percentage of organs weighs between 210 grams and 410 grams?
(c) What percentage of organs weighs less than 210 grams or more than 410 grams?
(d) What percentage of organs weighs between 160 grams and 360 grams?

(least common multiples) the answer that i had in the 1st step was lcm of airline tickets sold=72. idk if that even matters but just in case. ! three co-workers are busy selling airline tickets over the phone. in an 8-hour day, charles can sell 8 airline tickets, ann can sell 9 airline tickets, and michelle can sell 6 airline tickets. step 2 of 2: what is the smallest number of 8-hour days needed for each of them to achieve the same number of sales? it takes charles . it takes . it takes .

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250