Question

In a one-tail hypothesis test where you reject Upper H 0 only in the lower tail, what is the p dash value if upper Z subscript STAT baseline equals negative 1.05?

Answer #1

this is a left tailed test.

test statistic is:-

**the p value is
:-**

[as this is a left tailed test]

[ using standard normal table]

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In a test of the hypothesis Upper H 0 : mu equals 10 versus
Upper H Subscript a Baseline : mu not equals 10 a sample of n=50
observations possessed mean x over=10.6 and standard deviation
s=2.7. Find and interpret the p-value for this test.

In a test of the hypothesis
Upper H 0 : mu equals 53H0: μ=53
versus
Upper H Subscript a Baseline : mu greater than 53Ha:
μ>53,
a sample of
n equals 100n=100
observations possessed mean
x overbarxequals=52.452.4
and standard deviation
sequals=3.53.5.
Find and interpret the p-value for this test.

In
a one tail hypothesis test where you tehect Ho only in the lower
tail what us the critical value of the Tstat test statistic w/ 26
degrees of freedom at the .01 level if significance? (Round to 4
decimal places)

onsider the hypothesis test below, with nequals63 and p
overbarequals0.41. Upper H 0: pequals0.36 Upper H Subscript Upper
A: pnot equals0.36 alphaequals0.01 a. State the decision rule in
terms of the critical value of the test statistic. b. State the
calculated value of the test statistic. c. State the conclusion. a.
Select the correct choice below and fill in the answer box(es) to
complete your choice. (Round to two decimal places as needed.) A.
Reject the null hypothesis if the...

Calculate the? p-value for the following conditions and
determine whether or not to reject the null hypothesis.
?a)? one-tail test,
z Subscript x overbarzxequals=1.91.9?0,
and
alpha?equals=0.010.01
?b)? one-tail test,
z Subscript x overbarzxequals=negative 2.55?2.55?,
and
alpha?equals=0.100.10
?c)? two-tail test,
z Subscript x overbarzxequals=2.42.4?0,
and
alpha?equals=0.010.01
?d)? two-tail test,
z Subscript x overbarzxequals=negative 1.82?1.82?,
and
alpha?equals=0.020.02

For a test of Upper H 0: pequals0.50, the z test statistic
equals 1.72. Use this information to complete parts (a) through
(d) below.
a. Find the P-value for Upper H Subscript a: pgreater
than0.50. nothing (Round to three decimal places as needed.)
b. Find the P-value for Upper H Subscript a: pnot equals0.50.
nothing (Round to three decimal places as needed.)
c. Find the P-value for Upper H Subscript a: pless than0.50.
(Hint: The P-values for the two possible...

Consider testing Upper H 0 : mu equals 20H0: μ=20 against Upper
H Subscript a Baseline : mu less than 20Ha: μ<20 where μ
is the mean number of latex gloves used per week by all
hospital employees, based on the summary statistics n=43,
x=19.3, and s=11.1
Complete parts a and b.
a. Compute the p-value of the test.
b. Compare the p-value with α=0.05 and make the appropriate
conclusion. Choose the correct answer below.
There is sufficient evidence to...

For a one-tail (lower) hypothesis test, if the z- or t-test
statistic exceeds the critical value, we do not reject the null
hypothesis.
Select one:
True
False

To test Upper H 0: mu equals20 versus Upper H 1: mu less
than20, a simple random sample of size n=17 is obtained from a
population that is known to be normally distributed.
(a) If
x overbar x equals=18.1
and s equals=4.1,
compute the test statistic.
t equals=−1.91
(Round to two decimal places as needed.)
c) Approximate the P-value. Choose the correct range for the
P-value below.
A. 0.10 less than Upper P dash value less than 0.15
B. 0.15...

To test Upper H 0: muequals20 versus Upper H 1: muless
than20, a simple random sample of size nequals17 is obtained from
a population that is known to be normally distributed. Answer
parts (a)-(d). LOADING... Click here to view the t-Distribution
Area in Right Tail. (a) If x overbarequals18.3 and sequals4.5,
compute the test statistic. tequals nothing (Round to two decimal
places as needed.) (b) Draw a t-distribution with the area that
represents the P-value shaded. Which of the following...

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