To find:
Answer to Problem 2.2CYU
The probability is 0.2013
Explanation of Solution
Given:
Number of questions = 10
Students are supposed to guess the answers.
X is a number of answers that Patti gives correct.
Formula used:
The
Calculation:
Thus, the required probability is 0.213.
Interpretation:
There are 21.3% chances that Patti will guess 3 answers correct.
Chapter 6 Solutions
The Practice of Statistics for AP - 4th Edition
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