Question

Let *z* be a random variable with a standard normal
distribution. Find the indicated probability. (Round your answer to
four decimal places.)

P(−1.21 ≤ z ≤ 2.50) =

P(−2.20 ≤ z ≤ 1.08) =

P(−2.08 ≤ z ≤ −0.30) =

*P*(0 ≤ *z* ≤ 1.62) =

P(−2.22 ≤ z ≤ 0) =

P(−0.45 ≤ z ≤ 2.04) =

Answer #1

Let z be a random variable with a standard normal distribution.
Find the indicated probability. (Round your answer to four decimal
places.) P(z ? ?0.25)
Let z be a random variable with a standard normal distribution.
Find the indicated probability. (Round your answer to four decimal
places.) P(z ? 1.24)
Let z be a random variable with a standard normal distribution.
Find the indicated probability. (Enter your answer to four decimal
places.) P(?2.20 ? z ? 1.08)

Let z be a random variable with a standard normal
distribution. Find the indicated probability. (Round your answer to
four decimal places.)
P(−0.53 ≤ z ≤ 2.04) =

A: Let z be a random variable with a standard normal
distribution. Find the indicated probability. (Round your answer to
four decimal places.)
P(z ≤ 1.11) =
B: Let z be a random variable with a standard normal
distribution. Find the indicated probability. (Round your answer to
four decimal places.)
P(z ≥ −1.24) =
C: Let z be a random variable with a standard normal
distribution. Find the indicated probability. (Round your answer to
four decimal places.)
P(−1.78 ≤ z...

let
z be a random variable with a standard normal distrubtion. find the
indicated probability (round your answer to four decimal places).
a) P(z ≥ -1.53)=
b) P(z ≤ -2.04)=
c) P(-2.00 ≤ z ≤ 1.05)=
d) P(0 ≤ z ≤ 0.50)=

Let z be a random variable with a standard normal distribution.
Find the indicated probability. (Round your answer to four decimal
places.) P(−2.10 ≤ z ≤ −0.46)

Let z be a random variable with a standard normal
distribution. Find the indicated probability. (Enter a number.
Round your answer to four decimal places.)
P(z ≥ 1.41) =
Sketch the area under the standard normal curve over the
indicated interval and find the specified area. (Enter a number.
Round your answer to four decimal places.)
The area between z = 0.41 and z = 1.82 is
.

Let z denote a random variable having a normal
distribution with μ = 0 and σ = 1. Determine each of the following
probabilities. (Round all answers to four decimal places.)
P(z < −1.5 or
z > 2.50) =
Let z denote a variable that has a standard normal
distribution. Determine the value z* to satisfy the
following conditions. (Round all answers to two decimal
places.)
P(z > z* or z <
−z*) = 0.2009
z* =

A. Sketch the area under the standard normal curve over the
indicated interval and find the specified area. (Round your answer
to four decimal places.)
The area to the left of z = 0.51 is .
The area to the right of z = −1.23
is .
The area between z = 0 and z = −1.88
is
B. Let z be a random variable with a standard normal
distribution. Find the indicated probability. (Round your answer to
four decimal places.)
P(z...

Sketch the area under the standard normal curve over the
indicated interval and find the specified area. (Round your answer
to four decimal places.) The area to the right of z = −1.11 is. The
area between z = −2.11 and z = 1.28 is . Let z be a random variable
with a standard normal distribution. Find the indicated
probability. (Round your answer to four decimal places.) P(z ≤
−0.24) = Let z be a random variable with a...

Find the indicated probability assuming that x is a random
variable with a normal distribution with the given mean and
standard deviation. (Round your answer to four decimal places.)
P(95 ≤ x ≤ 307), μ = 20, σ = 100

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