A box of 30 flashbulbs contains 4 defective. A random sample of 2 is selected and tested. Let X be the random variable associated with the number of defective bulbs in the sample. (A) Find the probability distribution of X. (B) Find the expected number of defective bulbs in the sample. (A) Fill in the probabilities for the probability distribution of the random variable X. X₁0 12 Pi (Type integers or simplified fractions.) (B) The expected number of defective bulbs in a sample is

A box of 30 flashbulbs contains 4 defective. A random sample of 2 is selected and tested. Let X be the random variable associated with the number of defective bulbs in the sample. (A) Find the probability distribution of X. (B) Find the expected number of defective bulbs in the sample. (A) Fill in the probabilities for the probability distribution of the random variable X. X₁0 12 Pi (Type integers or simplified fractions.) (B) The expected number of defective bulbs in a sample is

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.8: Probabilities Of Disjoint And Overlapping Events

Problem 2C

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