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Answer:
Expectation=240
standard deviation=3.098
Step-by-step explanation:
This is a binomial probability function with n=250 and probability of success is 96%
-The expected value is calculated as:
Hence, the expected germination is 240 seeds
b. From a above, we have the value of p=0.96 and n=250.
The standard deviation of germination is therefore calculated using the formula:
Hence, the standard deviation of germination is 3.098
Factorizing an expression involves writing the expression in simpler forms
The values of z are or
The equation is given as:
Expand the equation
Factorize the expression:
Factor out z - 4
Split
or
Solve for z
or
Hence, the values of z are or
Read more about factorization at: