11. Find the area, to the nearest thousandth, of the indicated
region of the standard normal distribution.
The region where z < −0.88
___square unit
12. Find the area, to the nearest thousandth, of the indicated
region of the standard normal distribution.
The region where z < 2.57
_____square unit
13.Use the z-score table to answer the question. Note:
Round z-scores to the nearest hundredth and then find the
required A values using the table.
A manufacturer of light bulbs...
Find the area under the standard normal distribution curve:
a) Between z = 0 and z = 1.95
b) To the right of z = 1.99
c) To the left of z = -2.09
How would I do this?
Find the area under the standard normal distribution curve:
a) Between z = 0 and z = 1.95
b) To the right of z = 1.99
c) To the left of z = -2.09
How would I do this?
(a) Given a standard normal distribution, find the area under
the curve that lies between
z = −0.48 and z = 1.74.
(b) Find the value of z if the area under a standard normal
curve between 0 and z, with
z > 0, is 0.4838.
(c) Given a normal distribution with μ = 30 and σ = 6, find the
two values of x that
contains the middle 75% of the normal curve area.
1. Find the area under the standard normal distribution for each
z score.
a. Between 1.56 and 1.96
b. To the right of 1.75
c. To the left of 1.36
2. The average amount of rain per year in Greenville is 49
inches. The standard deviation is 7.5 inches. Find the probability
that next year Greenville will receive the following amount of
rainfall. Assume the variable is normally distributed.
a. At most 55 inches of rain
b. At least 62...
find the area under the standard normal distribution curve
between z=1.92 and z=1.03 Use the standard normal distribution
table and enter the answer to 4 decimal places
Find the area under the standard normal distribution curve
between =z−1.86 and =z−2.38. Use The Standard Normal Distribution
Table and enter the answer to 4 decimal places.
Find the indicated area under the curve of the standard normal
distribution; then convert it to a percentage and fill in the
blank.
About ________% of the area is between z = -3.5 and z = 3.5
(or within 3.5 standard deviations of the mean).
Given a standard normal distribution, find the area under the
curve that lies (a) to the right of z=1.25; (b) to the left of z=
-0.4; (c) to the left of z= 0.8; (d) between z=0.4 and z=1.3; (e)
between z= -0.3 and z= 0.9; and (f) outside z= -1.5 to z= 1.5.