Question

In: Statistics and Probability

A day’s production of 850 parts contains 50 defective parts. Three parts are selected at random...

A day’s production of 850 parts contains 50 defective parts. Three parts are selected at random without replacement. Let the random variable ? equal the number of defective parts in the sample.

1. Find the probability mass function

2. Find the cumulative distribution function of ?.

3. Find ?(? > 0.5) =

4. Find ?(1.5) =

5. Find ?(2) − ?(0.3) =

6. Find ?(0.99 < ? < 2.5) =

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