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?

- stats -
**Anonymous**, Sunday, January 31, 2016 at 2:50pm
.0598

## Answer This Question

## 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 ...
- 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 ...
- stats - A manufacturer of automobile batteries claims that the distribution of ...
- Math 157 - Can someone please help me. At a quality control checkpoint on a ...
- Math - Can someone please help me. At a quality control checkpoint on a ...
- Stats - In each hand of Blackjack, Megan wins $2 with probability 0.1, or wins $...

More Related Questions