1. For a continuous random variable x, the height of the function at x is

A. the probability at a given value of x

B.named the probability density function f(x).

C.0.50, since it is the middle value.

D.a value less than zero.

3.The random variable x is known to be uniformly distributed between 70 and 90. The probability of x having a value between 85 to 92 is

(note: enter answer to two digits)

**whats the number for this answer please??

4.In a standard normal distribution, the?

A. mean and the standard deviation are both 1.

B. mean is 0 and the standard deviation is 1

c.mean iand the standard deviation can have any non-negative value.

d.mean is 1 and standard deviation is 0.

5. z is a standard normal random variable. The P (1.25 < z < 1.90) equals

a. 0.4678

b.0.1121

c.0.3931

d.0.3931

e.0.4451

f. 0.0829

g.0.8527

h. 0.3849

I. 0.0769

6. xis a normally distributed random variable with a mean of 8 and a standard deviation of 4. The probability that x is between 1.48 and 15.56 is (note: Round Answer to two decimal places)

**whats the number please?

7.