Friday
March 27, 2015

Homework Help: stats

Posted by cate on Sunday, March 10, 2013 at 8:45am.

Suppose that 50 identical batteries are being tested. After 8 hours of continuous use, assume that a given battery is still operating with a probability of 0.70 and has failed with a probability of 0.30.

What is the probability that fewer than 40 batteries will last at least 8 hours?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

statistics - Suppose that 50 identical batteries are being tested. After 8 ...
statistics - In a box of thirty AAA batteries, there are three defective ...
Probability - Consider the communication network shown in the figure below and ...
Statistics - The lifetime of a certain smart phone battery has an unknown ...
Statistics - The lifetime of a certain smart phone battery has an unknown ...
stats - A manufacturer of automobile batteries claims that the distribution of ...
Math - At a quality control checkpoint on a manufacturing assembly line, 8% of ...
Math - At a quality control checkpoint on a manufacturing assembly line, 8% of ...
Math - At a quality control checkpoint on a manufacturing assembly line, 8% of ...
math - Suppose that an automobile parts wholesaler claims that .5 percent of the...

Members