I can’t see the attachment?
Answer:
918
Step-by-step explanation:
891 = -27p
891 + 27 =p
p = 918
Answer:
--- Mean
--- Variance
--- Standard Deviation
Step-by-step explanation:
<em>See Comment for missing details</em>
Given
--- proportion
-- sample
Solving (a): The mean; E(x)
This is calculated as:
Substitute values for n and p
Solving (b): The variance; s^2
This is calculated as:
Substitute values for n and p
Solving (c): The standard deviation; s
This is calculated as:
Substitute value for s^2