PlEASE HELP WITH THIS QUESTION Lisa bought 5 CDs from a store. The price of each CD was the same. After she bought the CDs, her
1 answer:
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Answer:
The probability
Step-by-step explanation:
From the question we are told that
The population proportion is p = 0.90
The sample size is n = 30
Generally mean of the sampling distribution is
Generally the standard deviation is mathematically represented as
=>
=>
Generally the he probability that the proportion surviving for at least five years will exceed 80%, rounded to 5 decimal places is mathematically represented as
Generally
So
From the z-table
So
Answer:
Step-by-step explanation:
To find:
Simplified product of:
Solution:
First of all, let us have a look at some of the formula:
1.
2.
3.
4.
Now, let us apply the above formula to solve the given expression.
The answer is: