Find the probability that a public school teacher with a graduate degree does not have a multiple-subject teaching credential. a. 0.5385 b. None of the other choices O c. 0.2100 d. 0.5000
Find the probability that a public school teacher with a graduate degree does not have a multiple-subject teaching credential. a. 0.5385 b. None of the other choices O c. 0.2100 d. 0.5000
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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
Transcribed Image Text:### Probability Questions on Teaching Credentials
#### Question 1:
**Find the probability that a public school teacher with a graduate degree does not have a multiple-subject teaching credential.**
- a. 0.5385
- b. None of the other choices
- c. 0.2100
- d. 0.5000
#### Question 2:
**Find the probability that a public school teacher who does not have a multiple-subject teaching credential does not have a graduate degree?**
- a. 0.1800
- b. None of the other choices
- c. 0.3103
- d. 0.4615

Transcribed Image Text:**Example 4**
The American Association of Teachers found that 42% of public school teachers have a graduate degree and 61% of public school teachers have multiple subject teaching credentials. Furthermore, they found that 79% of public school teachers do not have a graduate degree or do not have a multiple-subject teaching credential. A public school teacher is selected at random.
1. Find the probability that they have a multiple-subject teaching credential and a graduate degree.
- a. 0.8200
- b. 0.2100
- c. 0.2562
- d. None of the other choices
2. Find the probability that they do not have a graduate degree and do not have a multiple-subject teaching credential.
- a. 0.7900
- b. 0.2800
- c. 0.2262
- d. None of the other choices
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