SOLUTION: A survey indicates 40% of households in the USA own CD players from a random sample of 250 households in the USA find the probability that the number of households who own CD playe

Question 872074: A survey indicates 40% of households in the USA own CD players from a random sample of 250 households in the USA find the probability that the number of households who own CD players is:
a) exactly 95
b) between 105 and 110
c) at most 85
d) at least 95
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
p = .40, n = 250
P(x = 95) = binompdf(250, .40, 95) = .0421 0r 4.21%
P(105 ≤ x ≤ 110) = binomcdf(250, .40, 110)- binomcdf(250, .40, 104) = .9119 - .7203 = .1916 0r 19.16%
P(x ≤ ≤ 85) = binomcdf(250, .40, 85) = .0297 0r 2.97%
P(x ≥ 95) = 1 - (1-binomcdf(250, .40, 94) = .7605 0r 76.05%
RELATED QUESTIONS
A survey indicates that 40 percent of households in the USA have CD players. If a random... (answered by ewatrrr)

In a survey of 380 households regarding the ownership of VCRs and DVD players, the... (answered by Edwin McCravy)

In a survey of 450 households regarding ownership of HDTVs and DVD players, the following (answered by lynnlo)

A survey of 1024 households found that 48% of the households own a computer. Identify the (answered by jim_thompson5910)

In a certain small town, Comcast has 100000 subscribers. According to Census data, 40... (answered by rothauserc)

In a recent study it was found that 90% of households own large screen TVs. A simple... (answered by Boreal)

1.1 In a survey of 400 households regarding the ownership of Desktop (D) and laptop... (answered by Fombitz)

According to Nielson Media Research, 75% of all U.S households have cable television. In... (answered by stanbon)

A survey of all the households in Smalltown Indiana was conducted. Below is the result (answered by Boreal)