Question

In order to conduct a hypothesis test for the population proportion, you sample 290 observations that result in 87 successes. (You may find it useful to reference the appropriate table: z table or t table)

a1) **H0: p ≥ 0.36; HA: p < 0.36. a-1. Calculate the
value of the test statistic.**

Test statistic:

a2) **Find the p-value**

a. p-value 0.10

b. p-value < 0.01

c. 0.025 p-value < 0.05

d. 0.05 p-value < 0.10

**a-4 Interpret the results at αα = 0.01**

a) We cannot conclude that the population mean is less than 0.36.

b) We conclude that the population mean is less than 0.36.

c) We cannot conclude that the population proportion is less than 0.36.

d) We conclude that the population proportion is less than 0.36.

*H*_{0}: *p* = 0.36;
*H _{A}*:

**b-1. Calculate the value of the test
statistic.**

Test statistic:

**b-2. Find the p-value.**

a) p-value 0.10

b) p-value < 0.01

c) 0.01 p-value < 0.025

d) 0.025 p-value < 0.05

e) 0.05 p-value < 0.10

**b-4. Interpret the results at αα = 0.01.**

a) We conclude that the population mean differs from 0.36.

b) We cannot conclude that the population mean differs from 0.36.

c) We conclude the population proportion differs from 0.36.

d) We cannot conclude that the population proportion differs from 0.36.

Answer #1

n order to conduct a hypothesis test for the population
proportion, you sample 290 observations that result in 87
successes. (You may find it useful to reference the appropriate
table: z table or t table) H0: p ≥ 0.35; HA: p < 0.35.
a-1. Calculate the value of the test statistic. (Negative value
should be indicated by a minus sign. Round intermediate
calculations to at least 4 decimal places and final answer to 2
decimal places.)
a-2. Find the p-value....

In order to conduct a hypothesis test for the population
proportion, you sample 450 observations that result in 189
successes. (You may find it useful to reference the appropriate
table: z table or t table) H0: p ≥ 0.45; HA: p < 0.45. a-1.
Calculate the value of the test statistic. (Negative value should
be indicated by a minus sign. Round intermediate calculations to at
least 4 decimal places and final answer to 2 decimal places.) a-2.
Find the p-value....

In order to conduct a hypothesis test for the population mean, a
random sample of 24 observations is drawn from a normally
distributed population. The resulting sample mean and sample
standard deviation are calculated as 13.9 and 1.6, respectively.
(You may find it useful to reference the appropriate
table: z table or t
table).
H0: μ ≤ 13.0 against
HA: μ > 13.0
a-1. Calculate the value of the test statistic.
(Round all intermediate calculations to at least 4 decimal...

In order to conduct a hypothesis test for the population mean, a
random sample of 28 observations is drawn from a normally
distributed population. The resulting sample mean and sample
standard deviation are calculated as 17.9 and 1.5, respectively.
(You may find it useful to reference the appropriate
table: z table or t
table).
H0: μ ≤ 17.5 against
HA: μ > 17.5
a-1. Calculate the value of the test statistic.
(Round all intermediate calculations to at least 4 decimal...

In order to conduct a hypothesis test for the population mean, a
random sample of 24 observations is drawn from a normally
distributed population. The resulting sample mean and sample
standard deviation are calculated as 4.8 and 0.8, respectively.
(You may find it useful to reference the appropriate
table: z table or t
table)
H0: μ ≤ 4.5 against
HA: μ > 4.5
a-1. Calculate the value of the
test statistic. (Round all intermediate calculations to at
least 4 decimal...

In order to conduct a hypothesis test for the population mean, a
random sample of 20 observations is drawn from a normally
distributed population. The resulting sample mean and sample
standard deviation are calculated as 10.5 and 2.2, respectively.
(You may find it useful to reference the appropriate table: z table
or t table).
H0: μ ≤ 9.6 against HA: μ > 9.6
a-1. Calculate the value of the test statistic. (Round all
intermediate calculations to at least 4 decimal...

Consider the following competing hypotheses and accompanying
sample data. (You may find it useful to reference the
appropriate table: z table or t
table)
H0: p1 −
p2 ≥ 0
HA: p1 −
p2 < 0
x1 = 250
x2 = 275
n1 = 400
n2 = 400
a. Calculate the value of the test statistic.
(Negative value should be indicated by a minus sign. Round
intermediate calculations to at least 4 decimal places and final
answer to 2 decimal...

9-12 Consider the following hypotheses:
H0: μ = 33
HA: μ ≠ 33
The population is normally distributed. A sample produces the
following observations: (You may find it useful to
reference the appropriate table: z table
or t table)
38
31
34
36
33
38
28
a. Find the mean and the standard deviation.
(Round your answers to 2 decimal
places.)
b. Calculate the value of the test statistic.
(Round intermediate calculations to at least 4 decimal
places and final...

Exercise 9-40 Algo
Consider the following hypotheses:
H0: μ ≥ 160
HA: μ < 160
The population is normally distributed. A sample produces the
following observations:
160
142
152
159
158
140
Conduct the test at the 5% level of significance. (You
may find it useful to reference the appropriate table: z
table or t table)
a. Calculate the value of the test statistic.
(Negative value should be indicated by a minus sign. Round
intermediate calculations to at least 4...

Consider the following competing hypotheses and accompanying
sample data drawn independently from normally distributed
populations. (You may find it useful to reference the
appropriate table: z table or t
table)
H0: μ1 −
μ2 = 0
HA: μ1 −
μ2 ≠ 0
x−1x−1 = 75
x−2x−2 = 79
σ1 = 11.10
σ2 = 1.67
n1 = 20
n2 = 20
a-1. Calculate the value of the test statistic.
(Negative values should be indicated by a minus sign. Round
all intermediate...

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 16 minutes ago

asked 25 minutes ago

asked 27 minutes ago

asked 40 minutes ago

asked 46 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago