Answer:
10-3+7 9-2+7
Step-by-step explanation:
logic this is brain needs
(71+x)/2=78
71+x=156
x=85
Th student needs to score a min of 85
Answer:
The probability is 
Step-by-step explanation:
The probability of guessing correctly, P = 0.54
Probability of not guessing correctly, q = 1 – P
q = 1 – 0.54 = 0.46
Number of trials, n = 32
Now calculate the probability that Mr. Taylor will pick 32 correctly in first round of the game.
Below is the calculation using binomial distribution.

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