Binomial probability distribution-sample question

Assignment Help Basic Statistics

Reference no: EM13104037

The Complaints Department of a popular used car dealer receives most complaints about the electrical system, particularly the starter. The department sent questionnaires to 300 owners of two-year-old, used, full-sized vehicles. The survey showed 15% of the owners had trouble with the starter. Based on the result of the survey, what is the probability that, in a sample of 12 owners,

A) exactly two owners will have starter problems.

B) at least one owner will have starter problems.

Reference no: EM13104037

Questions Cloud

Standard deviation of mean on the either side : The lifetimes of light bulbs of a particular type are normally distributed with a mean of 370 hours and a standard deviation of 5 hours. What percentage of bulbs has lifetimes that lie within 1 standard deviation of the mean on either side?

Playing card probability : A bridge hand consists of 13 cards dealt at random from an ordinary deck of 52 playing cards. How many possible bridge hands are there?

Targeting a score of on an exam : A professor is targeting a score of 80 on an exam. His forty-nine students averaged 78 on an exam with s = 7. Are the scores significantly less than 80 at a significance level of 0.05? Show your work and state the conclusion.

Rank from largest to smallest : System A consists of a mass attached to a spring with a force constant ; system B has a mass 2 attached to a spring with a force constant ; system C has a mass 3 attached to a spring with a force constant 6; and system D has a mass attached to a s..

Binomial probability distribution-sample question : The Complaints Department of a popular used car dealer receives most complaints about the electrical system, particularly the starter.

What will be the electric flux through that surface : Four charges are placed in a three-dimensional space. The charges have magnitudes 2 nC, -4 nC, 1 nC, and -9 nC. If a Gaussian surface encloses all the charges, what will be the electric flux through that surface?

Probability-addition rule : Find the probability of drawing either a king or a spade in a single draw from a pack of 52 playing cards.

Appropriate null-alternative hypotheses : Suppose the FBI set of goal of 10% for breakins, and they want to see if the current data show they are below that mark. What are the appropriate null and alternative hypotheses?

Draw a position graph that could represent this motion : a dog is walking slowly toward a motion detector. Draw a position graph that could represent this motion. Show your work.

User Account

All Pages