Here we have to find the probability . Now express the probability in terms of standard normal cumulative distribution function. That is
.
Now you can look up the probability from the standard normal tables. Its value is
At a restaurant mike and his three friends decide to divide the bill evening. If each person paid 13 then what was the total bil
1 answer:
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Answer:
Step-by-step explanation:
Here, the given expressions are:
A)
Solving this, we get
⇒
B)
Now, solving this, we get
⇒
C)
Simplifying this, we get
⇒