Question

Use the normal distribution to approximate the desired probability. Find the probability that in 220 tosses of a fair die, we will obtain exactly 38 twos.
A)
7.251215%
B)
6.734549%
C)
7.001215%
D)
6.751215%
E)
7.601215%
F)
7.351215%
G) None of These

Answer 1

6.734549% is approximate the desired probability.  in 220 tosses of a fair die, we will obtain exactly 38 twos.

Step-by-step explanation:

Probability of two  = 1/6

p = 1/6

q = 5/6

n = 220  

P(38)  = ²²⁰C₃₈(1/6)³⁸(5/6)¹⁸² = 0.06897 = 6.897%

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