Abag contains two red marbles and five blue marbles. you draw a marble, record its color, replace it, and then draw a second marble. what is the probability that you draw a blue marble at least once?
a) 0.28
b) 0.49
eliminate
c) 0.71
d) 0.92

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

The graph shows the first four ordered pairs formed by the corresponding terms of two patterns. which ordered pair would be the fifth point on this graph? a. 12,8 b. 12,4 c. 10,4 d. 4,12

What is the measure of angle lkj ? round to the nearest whole degree