Answer:
The answer is D.
Step-by-step explanation:
sooo UwU which becomes O////O then becomes T.T
2:3 and 4:6 are two different ratios that are equivalent to 2/3.
B)
Answer:
the answer is the first one
Answer:


Step-by-step explanation:
From the question we are told that:
Sample size
Probability of a defective widget 
Generally the equation for binomial trial is mathematically given by



Since X is binomial random variable with functions of n and p,The equation of mean \=x

Where



Generally the equation for variance \sigma is mathematically given by


