13. Suppose that a student has 100 vocabulary words to learn. It a student learns 20 words in 30 minutes, the function
L(t) = 100(1 - e -0.0074t) models the number of words, L,
that the student will learn after t minutes.
(a) After how long will the student learn 20 words?
(b) After how long will the student learn 70 words?

Amajor grocery store chain is trying to cut down on waste. currently, they get peaches from two different distributors, whole fruits and green grocer. out of a two large shipments, the manager randomly selects items from both suppliers and counts the number of items that are not sell-able due to bruising, disease or other problems. she then makes a confidence interval. is there a significant difference in the quality of the peaches between the two distributors? 95% ci for pw-pg: (0.064, 0.156)