Nikki can drive her car 22 miles on each gallon of gasoline. If Nikki drives m miles, which expression represents the number of
2 answers:
Answer:
Step-by-step explanation:
We have been given that Nikki can drive her car 22 miles on each gallon of gasoline. We are asked to write the expression that represents the number of gallons used when Nikki drives 'm' miles.
To find the number of gallons used we will divide the total distance traveled by distance traveled in one gallon.
Since Nikki traveled 'm' miles and car travels 22 miles on each gallon of gasoline, so the expression represents the number of gallons used.
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Answer: The required probability is 0.334.
Step-by-step explanation:
Since we have given that
N = 15 reservations
probability of reservations will not be used = 0.2
probability of reservations will be used = 1-0.2=0.8
Let X be the Binomial variable,that the number of reservations canceled.
We need to find the probability that more than 8 but less than 12 reservations.
So, it becomes,
Hence, the required probability is 0.334.