<span>
the speed of the car decreases from 4 mi/h to 2 mi/h in the first 3 second increases to 5 mi/h in the next 5 5 seconds,and then remains 5 mi/h for the last 10 seconds</span>
Answer:
450
Step-by-step explanation:
If 81 is 18% of a number then we can say that:
x × 0.18 = 81
We multiply by 0.18 because 18% is 0.18 as a decimal. So to work out the real number we divide 81 by 0.18:
81 ÷ 0.18 = 450
Answer:
?????????
Step-by-step explanation:
that is a lot
Answer:
0.0497 is the required probability.
Step-by-step explanation:
We are given the following information in the question:
Mean number of calls = 3 calls per minute
The number of calls coming per minute is following a Poisson distribution.
Formula:
We have to evaluate

0.0497 is the probability that no calls are received in a given one-minute period.