Answer:
V=πr2h
3
Step-by-step explanation:
Answer:
3.3
Step-by-step explanation:
Answer:
I attached all my solutions, hope you will understand it!
Answer:
50,015
Step-by-step explanation:
The total of ratio units is 7+5+9 = 21. Of those at company A, that company donated 7, or 7/21 = 1/3 of the total. 1/3 × 150,045 = 50,015
Answer with Step-by-step explanation:
In case of Bernoulli trails
The probability that a random variable occurs 'r' times in 'n' trails is given by

where
'p' is the probability of success of the event
Part a)
probability that no contamination occurs can be found by putting r = 0
Thus we get

part b)
The probability that at least 1 contamination occurs is given by

Applying values we get
