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Nataly [62]
3 years ago
9

What is the probability that the web site has between 3 million and 4 million visitors in a single day? If needed, round your an

swer to four decimal digits.
Mathematics
1 answer:
faust18 [17]3 years ago
4 0

Answer:

0.2196

Step-by-step explanation:

Given that

Mean = 4.56 million visitors per day

Standard deviation = 820,000 visitors per day

According to the given situation the calculation of probability is shown below:-

Here we will find the value of P (3 ≤ X ≤ 4)  

P 93\leq X\leq 4)=P(X\leq 4) - P(X\leq 3)

\\=P(\frac{X-\mu}{\sigma}\leq  \frac{4-4.56}{0.82})-P(\frac{X-\mu}{\sigma}\leq  \frac{3-4.56}{0.82})

\\=P(Z\leq -0.683)-P(Z\leq -1.9024

= 0.2483 - 0.0287

= 0.2196

Therefore the probability that the web site has between 3 million and 4 million visitors in a single day is 0.2196

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