Answer:
i think its c im not sure so it might be wrong im so sorry if its wrong
Step-by-step explanation:
49
First you must do x times 6, x is really just 1. After you do that, you times it by 7.
Answer: Mean = 20 and standard deviation = 4
Let x represents the success of getting the correct answer.
Here, the total number of trials(n) = 100
The probability of getting the correct answer, p = 1/5
Thus, the mean of the number of correct answer,
Now, the standard deviation,
Thus, First option is correct.
The third one