Answer: All four runners ran .96 seconds
Step-by-step explanation: The total time of the four runners, divided by the amount of runners.
3.86/4= .965
Answer:
160 Quarters
Step-by-step explanation:
There are 4 quarters in a dollar, and we know that there are 40 dollars. Multiply 40 by 4 to get 160
<u>Hope this helps :-)</u>
Answer:
6 centimeters per day
Step-by-step explanation:
Since there are 7 days in one week, 42 cm divided by 7 days will equal to the answer 6 centimeters per day.
Answer: 0.27648
Step-by-step explanation:
Given : The proportion of all individuals have group A blood : p=0.040
Total individuals give blood : n= 6
Let X be the number of individuals have group A blood.
Since all individual are independent of each other.

Formula :
, where n= sample size , p = probability of getting success in each trial.
The probability that exactly three of the individuals have group A blood. :

The probability that exactly three of the individuals have group A blood. is 0.27648