Mathematics, 13.01.2021 01:20 bliss6115

Mr. Gupta gave his students a quiz with three questions on it. Let XXX represent the number of questions that a randomly chosen student answered correctly. Here is the probability distribution of XXX along with summary statistics: The following is a chart but i cant make it look like one:

X=# correctX 0 1 2 3
P(X) .05 .20 0.50 .25
Mean:μx =1.95
Standard Deviation σX≈0.8

What are the mean and standard deviation of Y?

I NEED HELP PLEASE ASAP

Answers: 3

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Mr. Gupta gave his students a quiz with three questions on it. Let XXX represent the number of quest...