Statistics 1) The area under the standard normal curve to the left of z = 3.49 i

Question

Statistics

1) The area under the standard normal curve to the left of z = 3.49 is 1.

True or False

2) A probability experiment is a binomial experiment if the experiment is performed n independent times.

True or False

3) Which of the following is an example of a continuous random variable?

True or False

2) A probability experiment is a binomial experiment if the experiment is performed n independent times.

True or False

3) Which of the following is an example of a continuous random variable?

The number of hits to a web site in a day. The number of runs in a baseball game. The distance you travel on a trip. The number of movies in a video store

Explanation / Answer

1)      The area under the standard normal curve to the left of z = 3.49 is 1.

False : The standard normal curve = 0.0002

2)      A probability experiment is a binomial experiment if the experiment is performed n independent times.

False : An experiment is binomial only when it is performed under these condotions

1.     Fixed number of trials and not n number of trials

2.     Each trial is independent of the others.

            3) Which of the following is an example of a continuous random variable?

                    The number of hits to a web site in a day   

              Continous Random variable : Where we get infinite datas  

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