Concept explainers
a
To calculate: the probabilities associated with the number of students who own a laptop
a
Explanation of Solution
Given information:
95% of high school students own a laptop
Calculation:
The probabilities associated with the number of students who own a laptop is shown in following probabilities
0 | 0 |
1 | 0 |
2 | 0 |
3 | 0.00000008 |
4 | 0.00000267 |
5 | 0.00006094 |
6 | 0.00096481 |
7 | 0.01047506 |
8 | 0.0746348 |
9 | 0.3151247 |
10 | 0.59873694 |
b
To calculate: the probabilities that at least 8 of the 10 students own a laptop
b
Answer to Problem 17PPS
The required probability is 0.9885
Explanation of Solution
Given information:
95% of high school students own a laptop
Calculation:
The probability that at least 8 of the 10 students own a laptop is,
Hence, the required probability is 0.9885
Chapter 12 Solutions
Algebra 2
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