Answer:
Mean = 2
Standard deviation = 1.356
Step-by-step explanation:
We are given;
Probability of taxpayers that make mistakes when filling out forms: p = 0.08
Sample size; n = 25
In binomial distribution;
Means is;
μ = np
Thus;
μ = 25 × 0.08
μ = 2
Formula for standard deviation here is;
σ = √(np(1 - p))
σ = √(25 × 0.08(1 - 0.08))
σ = 1.356
Answer:
Step-by-step explanation:
Answer:
75
Step-by-step explanation:
750×0.10=75
Answer:
1/2 Or 7/14
Step-by-step explanation:
14 divided by 7 is 2, which means that 1/2 of the boats that came in were from Rhode Island.