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Zigmanuir [339]
3 years ago
13

This quiz has 9 questions with 4 options for each question. if a student chooses answers randomly, what is the probability that

he will get at least 7 answers correct
Mathematics
1 answer:
Misha Larkins [42]3 years ago
6 0
This question is solved using a binomial distribution, and you must use a calculator. 

X \sim Bi (9, \frac{1}{4} )

The required probability which you can find using your calculator is 

Pr(X \geq 7)
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Step-by-step explanation:

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a star athlete at a local college scored 640 points during the 31 basketball games she played in the 2004 regular season what wa
Varvara68 [4.7K]

Answer:

20.65 points.

Step-by-step explanation:  

We have been given that a star athlete at a local college scored 640 points during the 31 basketball games. We are asked to find the average number of points she scored per game.

To find the average number of points scored per game by player we will divide total number scored by the total number of games.

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\text{Average number of points scored per game}=20.645161290322580\approx 20.65

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