Fraction: 16/75
Decimal: 0.21
P = 10% = 0.1
q = 1 - 0.1 = 0.9
P(at least one defective calculator) = P(1) + P(2) + P(3) + P(4) = 1 - P(0)
The brobability of a binomial distribution is given by

where: n = 4

Therefore,
P(at least one defective calculator) = 1 - 0.6561 = 0.3439
Answer:
Step-by-step explanation:
point form:
(3,4)
equation form:
x= 3, y= 4
Answer:
-9.4
Step-by-step explanation:
c. 9
To complete the square, you take half of the coefficient of b and square it. It's important to note that the value being added will always be positive.




