Answer:
36
Step-by-step explanation:
This is the fraction we use to solve this problem
Fractions are and
We now ask ourselves
Since whatever we do to the numerator we have to to the same to the denominator, we multiply 3 and 12
Hope this helps!
PLZZZ give brainliest
Answer:
b) 2.00
Step-by-step explanation:
For each name, there are only two possible outcomes. Either it is authentic, or it is not. The probability of a name being authentic is independent of any other name. This means that we use the binomial probability distribution to solve this question.
Binomial probability distribution
Probability of exactly x sucesses on n repeated trials, with p probability.
The expected value of the binomial distribution is:
She randomly selects five names from the list for validation.
This means that
40% of the names on the list are non-authentic
This means that
The expected (average) value of x is
The correct answer is given by option B.