ch 6
when a continuous probability distribution is used to approximate a discrete probability distribution value of ____ is ____ from the value of x
.5 add/sub
for any continuous random variable, the probability that the random variable takes on exactly a specific value is equal to
0
the standard deviation of a standard normal distribution is equal to
1
standard normal
a normal distribution with a mean of 0 and a standard deviation of 1 is the ... or the Z
a continuous random variable may assume ____ values over an interval
any
the uniform, normal, and exponential distributions are
continuos distributions
larger values of the standard deviation result in a normal curve that is
flatter
for a continuous random variable x, the probability density function f (x) represents _____ of the function at X
height
for a normal distribution, a negative value of z indicates a z that ___ of the mean
is left
the highest point of a normal curve occurs at the
mean
if the mean of a normal distribution is negative, the standard deviation is ___
positive
for a uniform probability density function, the height of the distribution is ____ at each value of x
same
mean
the center of a normal curve
a uniform probability distribution is a continuous probability distribution where the probability that the random variable assumes a value in any interval of equal length is
the probability is the same