An airline has a policy of booking as many as 15 persons on an airplane that can seat only 14. (Past studies have revealed that
1 answer:
Answer: No, it is unlikely for such an overbooking to occur.
Our required probability is 0.146.
Step-by-step explanation:
Since we have given that
Number of persons on an airplane book = 15
Probability of booked passengers actually arrive for the flight = 88%
We need to find the probability that if the airline books 15 persons, not enough seats will be available.
We will use "Binomial distribution":
Probability would be
No, it is unlikely for such an overbooking to occur.
Hence, our required probability is 0.146.
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Answer:
Kate's electric bill will be $9 for this month for bulb use only.
Step-by-step explanation:
Given:
Electricity bill lass month from bulb use = $12
Using new bulbs percent decrease in electricity = 25%
We need to find this month electric bill for bulb use.
Solution:
First we will find the reduction in bill after using new bulbs.
reduction in bill after using new bulbs can be calculated by percent decrease in electricity using new bulb multiplied by last month Electricity bill from bulb use only.
framing in equation form we get;
reduction in bill after using new bulbs =
Now we will find this month electric bill for bulb use only.
this month electric bill for bulb use only can be calculated by subtracting reduction in bill after using new bulbs from last month electric bill for bulb use only.
framing in equation form we get;
this month electric bill for bulb use only =
Hence Kate's electric bill will be $9 for this month for bulb use only.