SOLUTION: The probability that a certain make of car will need repairs in the first six months is 0.27 . A dealer sells 5 such cars. What is the probability that at least one of them will re

Question 946969: The probability that a certain make of car will need repairs in the first six months is 0.27 . A dealer sells 5 such cars. What is the probability that at least one of them will require repairs in the first six months
AND
Luis has a coin that is weighted so that the probability that Heads appears when it is tossed is 0.52 . Suppose that the coin is tossed 4 times. What is the probability that all 4 tosses are Heads?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
The probability that a certain make of car will need repairs in the first six months is 0.27 . A dealer sells 5 such cars. What is the probability that at least one of them will require repairs in the first six months
---
Binomial Problem with n = 5 ; p(need repair) = 0.27 ; p(not need) = 0.73
--------------------
Ans: P(1<= x <=5) = 1 - P(x=0) = 1 - 5C0(0.27)^0*0.73^5 = 0.73^5 = 0.7927
=========================================================
AND
Luis has a coin that is weighted so that the probability that Heads appears when it is tossed is 0.52 . Suppose that the coin is tossed 4 times. What is the probability that all 4 tosses are Heads?
P(x = 4) = 0.52^4 = 0.0731
--------------
Cheers,
Stan H.
----------------
RELATED QUESTIONS
The probability that a car will need repairs the first six months is 0.29. A dealer... (answered by ewatrrr)

The probability that a certain make of car will need repairs in the first six months is... (answered by stanbon)

What is the solution to this problem? The probability that a certain make of car will... (answered by greenestamps)

A rental company purchases cars from two dealerships. 75% of the vehicles are purchased... (answered by mathmate)

Of all the new vehicles of a certain model that are sold, 20% require repairs to be done... (answered by ikleyn)

Of all the new vehicles of a certain model that are sold, 14% require repairs to be done... (answered by robertb)

Of all new vehicles of a certain model that are sold, 20% require repairs to be done... (answered by Boreal)

over a yr period 20% of the cars will need to be repaired once, 7% repairs twice, 3% will (answered by stanbon)

A certain type of machine requires repairs once every two years on average. What is... (answered by edjones)