Of 500 new electronic products, 280 were intended for people over the age of 16, and 320 used a rechargeable battery. Of those products with a rechargeable battery, 150 were intended for those under the age of 16. What is the probability that a new electronic product is intended for someone over the age of 16 or uses a rechargeable battery? choices:
430/500 = 0.86
450/500 = 0.9
110/500 = 0.22
280/500 = 0.56

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

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)