Unit 4 Methods Revision Quiz

For the graph of y = f (x) shown, the number of points of inflection is:

The curve shown is concave down on the interval

Which one of the following gives the correct value for c?

Which one of the following expressions will give the area of triangle ABC?

A test consists of six true/false questions. The probability that a student who guesses will obtain six correct answers is

For this probability distribution, the mean, E(X), is equal to

If three fair coins are tossed, what is the probability that there are at least two heads?

Let X be a binomial random variable with parameters n = 400 and p = 0.1.

Then E(X), the mean of X, is equal to