SOLUTION: Of the new cars in a car dealer's lot, 1 in 6 are white. Today, 4 cars were sold. Round your answers to the nearest thousandths. a. What is the probability that 3 of the cars so

Algebra.Com
Question 871559: Of the new cars in a car dealer's lot, 1 in 6 are white. Today, 4 cars were sold. Round your answers to the nearest thousandths.
a. What is the probability that 3 of the cars sold were white?


b. What is the probability that at least 2 of the cars sold were white?
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!


Hi

p(white) = 1/6,   n = 4

P(x = 3) = 4C3(1/6)^3(5/6)^1  0r binompdf(4, 1/6, 3) = 0.0154

P(x ≥ 2) = 1 - binomcdf(4, .1667, 1) = 0.132 

RELATED QUESTIONS


3/5 of the cars at the lot are white, 1/4 of the remaining cars are silver, and the rest... (answered by josgarithmetic,MathTherapy)

Mario noticed that 1 out of every 6 cars on a car lot was white.
If the dealer had 425... (answered by Cromlix)

There are 270 cars in a parking lot; 6 of them are white. What is the probability that... (answered by rfer)

There are 4 times as many used cars in the car dealership lot as there as new cars. There  (answered by dkppathak)

there are 800 cars on a car lot. of that amount 1/8 were sedans. vans made up 71.875% of... (answered by josmiceli)

An automobile dealer wants to construct a pie graph to represent types of cars that were... (answered by ewatrrr)

Of the 34 cars in a parking lot, 12 are blue, 8 are red, 4 are white, and 10 are silver.... (answered by ewatrrr,jim_thompson5910)

In a study of 100 new cars, 27 were white. Find the p and q where p is the proportion of... (answered by edjones)

In a car park there are 35 white cars and 105 other colour cars.  What percentage of the... (answered by Theo)