Answer:
92.5
Step-by-step explanation:
1 is actually the mean of the group that did study is 92.5
2 is the MAD 5.2.
3is there are ten scores that are within the one MAD of the mean.
Answer:
425 miles
Step-by-step explanation:
Their speed of closure is the sum of their speeds: 85 + 70 = 155 miles per hour. Then they cover the 775 mile distance in
... (775 mi)/(155 mi/h) = 5 h
Stephanie has traveled (85 mi/h)·(5 h) = 425 mi from Springfield to their meeting point in that time.
Step-by-step explanation:
any picture I am not seeing nothing
Answer:
Gavin
Step-by-step explanation:
jake- 4.25
mitch- 4.67
nick- 4.12
gavin- 3.75
There are 8 black chips and 6 white chips, 14 chips in total. In this situation the probability to pick a black chip is 8/14=4/7.
When one white chip was removed, then only 5 white chips left and the total number of chips became 13. In this situation the probability to pick a black chip is 8/14=4/7.
When second white chip was removed, then ther left 4 white chips and the total number of chips became 12. Now the probability to pick a black chip is 8/12=2/3 as needed.
Answer: Must be removed 2 white chips. Correct choice is B.
