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babymother [125]
4 years ago
13

The probability that Shania is on time for school is 1/2. Find the probability that Shania arrives on time for school for the ne

xt 5 days. Express your answer as a percent, to the nearest tenth of a percent. A. 50% B. 15.6% C. 11.4% D. 3.1%
Mathematics
2 answers:
Yuki888 [10]4 years ago
6 0

Answer: 3.1 %

Step-by-step explanation:

Given : The probability that Shania is on time for school is \dfrac{1}{2}

Since the each day is independent of other.

Then , the probability that Shania arrives on time for school for the next 5 days will be :_

=(\dfrac{1}{2})^5=\dfrac{1}{32}=0.03125\approx3.125\%\approx3.1\%

Hence, the  probability that Shania arrives on time for school for the next 5 days.  = 3.1 %

Softa [21]4 years ago
5 0
1/2*1/2*1/2*1/2*1/2
= 1/2!
= 1/32
= 0.0313
= 3.1%
The answer is D.
Hope this helps. :)
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