Question

Find the indicated critical value. z 0.07 Click to view page 1 of the table. z 0.07 equals nothing (Round to two decimal places as needed.)

Answer #1

To of solving the problem of indicated critical value To solve for Zα where α is the area to the right of the Standard Normal curve at point Z ...

We know our table for Z scores gives us area to the left, so what we do is "convert" the question, to have is ask for the area to the left.

So, we know that the total area under the curve is equal to 1.

Now we solve for 1−α which will give us the area to the left of our curve. which then becomes more simple to solve for Z.

Thus for Z0.07 we have α=0.07, then we look for 1−α=1−0.07=0.93

So now we solve for Z where Φ(Z)=0.93

we take a look at our table, and get the answer that Φ(1.48)=0.93

Hence,

Z 0.07 = **1.48**

Thank you.

Find the indicated z-scores shown in the graph. Click to view
page 1 of the table. LOADING... Click to view page 2 of the table.
LOADING... z=? z=? 0 x 0.0250 0.0250 A normal curve is over a
horizontal x-axis and is centered on 0. Vertical line segments
extend from the curve to the horizontal axis at two points labeled
z = ? each. The areas under the curve and to the left of the left
vertical line segment and...

Find the indicated z-scores shown in the graph.
Click to view page 1 of the Standard Normal Table.
LOADING...
Click to view page 2 of the Standard Normal Table.
LOADING...
z=?z=?0x0.47380.4738
A normal curve is over a horizontal x-axis and is centered on 0.
Vertical line segments extend from the curve to the horizontal axis
at two points labeled z = ? each. The area under the curve between
the left vertical line segment and 0 is shaded and labeled...

Use the t-distribution table to find the critical value(s) for
the indicated alternative hypotheses, level of significance
alpha, and sample sizes n 1 and n 2. Assume that the samples are
independent, normal, and random. Answer parts (a) and (b). Upper
H Subscript a: mu 1 not equals mu 2, alphaequals0.20, n
1equals10, n 2equals2 (a) Find the critical value(s) assuming
that the population variances are equal. nothing (Type an integer
or decimal rounded to three decimal places as needed....

The test statistic of z=−2.86 is obtained when testing the claim
that p < 0.68. a. Using a significance level of
alphaαequals=0.01, find the critical value(s). b. Should we reject
Upper H0 or should we fail to reject Upper H0? Click here to view
page 1 of the standard normal distribution table. LOADING... Click
here to view page 2 of the standard normal distribution table.
LOADING... a. The critical value(s) is/are zequals=nothing.
(Round to two decimal places as needed. Use...

Find the critical value z Subscript alpha divided by 2 that
corresponds to the given confidence level. 83% z Subscript alpha
divided by 2 equals nothing (Round to two decimal places as
needed.)

Assume that the significance level is alpha equals 0.1. Use the
given information to find the P-value and the critical value(s).
The test statistic of zequals1.37 is obtained when testing the
claim that p greater than 0.6. Click here to view page 1 of the
Normal table. LOADING... Click here to view page 2 of the Normal
table. LOADING... P-valueequals nothing (Round to four decimal
places as needed.)

Determine the t-value in each of the cases. Click the icon to
view the table of areas under the t-distribution.
(a) Find the t-value such that the area in the right tail is
0.10 with 5 degrees of freedom. Answer? (Round to three decimal
places as needed.)
(b) Find the t-value such that the area in the right tail is
0.02 with 16 degrees of freedom. Answer? (Round to three decimal
places as needed.)
(c) Find the t-value...

Use the given information to find the Upper P-value. The test
statistic in a two-tailed test is zequals1.71. Click here to view
page 1 of the Normal table. LOADING... Click here to view page 2 of
the Normal table. LOADING... Upper P-valueequals nothing (Round
to four decimal places as needed.)

a.Two-tailed test, α=0.07
The critical value(s) is/are z= ______
(Round to two decimal places as needed. Use a comma to separate
answers as needed.)
b. Right-tailed test, α=0.10, n=6
The critical value(s) is/are _____
(Round to the nearest thousandth as needed. Use a comma to
separate answers as needed.)
c. TwoTwo-tailed test, α=0.10, n=28
The critical value(s) is/are ______
(Round to the nearest thousandth as needed. Use a comma to
separate answers asneeded.)

Find the indicated IQ score. The graph to the right depicts IQ
scores of? adults, and those scores are normally distributed with a
mean of 100 and a standard deviation of 15. Click to view page 1 of
the table. LOADING... Click to view page 2 of the table. LOADING...
xx0.80.8 A graph with a bell-shaped curve, divided into 2 regions
by a line from top to bottom, on the right side. The region left of
the line is shaded...

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