Find the area under the standard normal curve. Round your answer
to four decimal places.
(a) Find the area under the standard normal curve to the left of
=z−2.45.
(b) Find the area under the standard normal curve to the right
of =z−0.78.
(c) Find the area under the standard normal curve that lies
between =z−2.39 and =z−1.27.
(d) Find the area under the standard normal curve that lies
outside the interval between =z−1.42 and =z1.78.
Find the area under the standard normal curve. Round your answer
to four decimal places.
(a) Find the area under the standard normal curve to the right
of z= −1.97.
(b) Find the area under the standard normal curve that lies
between z= 1.26 and z=2.32.
(c) Find the area under the standard normal curve that lies
outside the interval between z=0.46 and
z=1.75.
(d) Find the area under the standard normal curve to the left of
z= −0.94.
Find the standard normal area for each of the following (Round
your answers to 4 decimal places.): Standard normal area a. P( Z ≤
2.16) b. P(Z ≤ 3.05) c. P(Z ≤ 2.05) d. P(Z > 0.55)
Find c such that each of the following is true. (Round
your answers to two decimal places.)
(a) p(0 < z <
c) = 0.1349
c =
(b) p(c < z
< 0) = 0.4845
c =
(c) p(−c < z
< c) = 0.4640
c =
(d) p(z > c) =
0.6075
c =
(e) p(z > c) =
0.0531
c =
(f) p(z < c) =
0.1003
Find the interest rates earned on each of the following. Round
each answer to two decimal places. You borrow $750 and promise to
pay back $795 at the end of 1 year. % You lend $750 and the
borrower promises to pay you $795 at the end of 1 year. % You
borrow $71,000 and promise to pay back $467,185 at the end of 12
years. % You borrow $14,000 and promise to make payments of
$3,693.20 at the end...
a. For each of the following, answer correct to two decimal
places
Find the area under the curve y=3x^3+2
Find the area between the curve y=2/x and the x-axis for x
between -5 and -4
Find the area between the curve y=x^2-3x and the x-axis for x
between 2 and 7
Find the area bounded by the curves y=6x^3+1 and y=6x+1
b. The birth rate in a certain city is described by the
following function
. The city's death rate...
1a. Find the area to the right of z=+1.89. Express
your answer as a decimal.
1b. Find the area between z=0 and
+1.35. Express your answer as a decimal.
1c. Give the area between z= -1.21 and
z=+1.81 Express your answer as a decimal.
1d. Find the positive z-value such that the area under the curve
between z=0 and the z-value is 0.4925.
1e. Find the area between z= -0.80 and z=
-2.51. Express your answer as a decimal.