Question

There is a spinner with 15 equal areas, numbered 1 through 15. If the spinner is spun one time, what is the probability that the result is a multiple of 4 or a multiple of 6?

Answer 1

Answer:

Deirdre's average time over 6 trials was 54 seconds. What time, in seconds, would she have to achieve in the next trial to lower her average to 52 seconds? 

Explanation:

Deirdre's average time over 6 trials was 54 seconds. What time, in seconds, would she have to achieve in the next trial to lower her average to 52 seconds?