Answer:
12
Step-by-step explanation:
I am pretty sure this is the answer. If it is correct i can give the explanation
Answer:
Short Answer is C.
Step-by-step explanation:
182 students out of 400 live off-campus, so 182 divided by 400 = .455 or 45.5%
Answer:
D. A rotation 270º counterclockwise about the origin
Step-by-step explanation:
Answer:
Let X the random variable of interest "Number of correct anwers on the tet", on this case we now that:
And the expected value is given by:

Step-by-step explanation:
Previous concepts
A Bernoulli trial is "a random experiment with exactly two possible outcomes, "success" and "failure", in which the probability of success is the same every time the experiment is conducted". And this experiment is a particular case of the binomial experiment.
The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".
The probability mass function for the Binomial distribution is given as:
Where (nCx) means combinatory and it's given by this formula:
Solution to the problem
Let X the random variable of interest "Number of correct anwers on the tet", on this case we now that:
And the expected value is given by:

Answer:
Centroid
Step-by-step explanation:
is it right please tell me down below thank you