Question: A certain type of flashlight is sold with the four batteries included. A random sample of 150 flashlights is obtained, and the number of defective

A certain type of flashlight is sold with the four batteries included. A random sample of 150 flashlights is obtained, and the number of defective batteries in each is determined, resulting in the following data:

Let X be the number of defective batteries in a randomly selected flashlight. Test the null hypothesis that the distribution of X is Bin(4, Î¸). That is, with pi = P(i defectives), test

Number Defective0 Frequency 26 51 4716 10 Ho: pi =CIO(1-0)4-i 1-0, 1.2.3.4

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