If you use a 0.05 level of significance in a two-tail hypothesis test, what decision will you make if ZSTAT = - 1.61? Click here to view page 1 of the cumulative standardized normal distribution table. Click here to view page 2 of the cumulative standardized normal distribution table. ...... Determine the decision rule. Select the correct choice below and fill in the answer box(es) within your choice. (Round to two decimal places as needed.) A. Reject Ho if ZSTAT - 1.96 or ZSTAT> + 1.96 O B. Reject Ho if ZSTAT> OC. Reject Ho

Q: In a survey conducted by a reputable marketing agency, 223 of 1000 adults 19 years of age or older…

A: Provided information is, in a survey conducted by marketing agency 223 out of 1000 adults of age 19…

Q: The shape of the distribution of the time required to get an oil change at a 20-minute oil-change…

A: We have given that.    X~N( μ , ?^2 )    μ =21.8      , ? = 4.2   Z-score =( x - μ )/?

Q: A particular manufacturing design requires a shaft with a diameter between 22.87 mm and 23.012 mm.…

A: Let "X" be the diameter of shafts.

Q: If you use a 0.05 level of significance in a two-tail hypothesis test, what decision will you make…

A: From the provided information, The z value is +2.37. Level of significance (α) = 0.05 The test is…

Q: Given a normal distribution with μ = 100 and o= 10, complete parts (a) through (d). Click here to…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: In a poll, 69% of the people polled answered yes to the question "Are you in favor of the death…

A: Solution

Q: The shape of the distribution of the time required to get an oil change at a 15-minute oil-change…

A: Given  μ=16.6, σ=4.4

Q: The shape of the distribution of the time required to get an oil change at a 20-minute oil-change…

A: Given information- Population mean, µ = 21.8 minutes Population standard deviation, σ = 4.2 minutes…

Q: A fandom sampie of 1020 adults in a certain large country was asked "Do you pretty much think…

A: Given Information: Sample size (n) = 1026 Out of which X = 526 indicated that televisions are a…

Q: In a poll, 69% of the people polled answered yes to the question "Are you in favor of the death…

A: p=69%  Margin of error=E=2% 94% confidence  Zc=1.88 at alpha=0.06

Q: A television sports commentator wants to estimate the proportion of citizens who "follow…

A: At an 94% confidence level, the z value is 1.88 which can be obtained by using the standard normal…

Q: If you use a 0.05 level of significance in a two-tail hypothesis test, what decision will you make…

A: Critical value = 1.96 It is a two tailed tailed test. Thus the critical values are -1.96 and 1.96.

Q: The shape of the distribution of the time required to get an oil change at a 15-minute oil-change…

A: To compute the probability the sample size should be greater than 30.

Q: What would a skewness of .163 mean? Is this normal distribution?

A: Solution:  Skewness: Skewness can be defined as the lack of symmetry in the data set.  In other…

Q: na poll, 37% of the people polled answered yes to the question "Are you in favor of the death…

A:

Q: The shape of the distribution of the time required to get an oil change at a 15-minute oil-change…

A: Given Information: Mean = 16.1 minutes Standard deviation = 4.5 minutes. To find the probability…

Q: The amounts (in oz) in cans of soda are given below. The cans are labeled to indicate that the…

A: The data shows the amount in cans of a certain soda in volume. The alternative is median amount of…

Q: In 1945, an organization asked 1511 randomly sampled American citizens, "Do you think we can develop…

A:

Q: Again, heights of 10 year olds, regardless of gender, closely follow a normal distribution with mean…

A: Given information- Population mean, µ = 55 inches Population standard deviation, σ = 6 inches

Q: In 1945, an organization asked 1414 randomly sampled American citizens, "Do you think we can develop…

A: Given data number of success , x= 753 sample size, n =1414 population proportion,p= 0.5…

Q: In 1945, an organization asked 1504 randomly sampled American citizens, "Do you think we can develop…

A: Given : population proportion = 0.5

Q: Do the "Height in Inches" data set adhere to the empirical rule? Would you conclude that| the…

A: (b). Check whether the data of “Height in Inches” follows approximately normal distribution: The…

Q: Twenty years ago, 48% otparents of children in high school felt it was a serious problem that high…

A: Given that,  x = 254,n = 800 Because np0(1-p0) =800×0.48×(1-0.48)=199.7>10, the sample size is…

Q: If you use a 0.05 level of significance in a two tail hypothesis test, what decision will you make…

A: It is given that the tail of the test is two tail and the level of significance is 0.05.

Q: In a poll, 69% of the people polled answered yes to the question "Are you in favor of the death…

A:

Q: If you use a 0.075 level of significance in a​ two-tail hypothesis​ test, what is your decision rule…

A: GivenLevel of significance(α)=0.075The null and alternative hypothesis H0:μ=11.7

Q: In a normal distribution with mean 3 and variance 49, what are the upper and lower limit scores for…

A: From the given information, μ=3σ2=49σ=7 Given, Pa<X<b=50%PX<a=25%P(X>b)=25%

Q: A random sample of 1009 adults in a certain large country was asked "Do you pretty much think…

A: From (c), we get 95% CI : (0.498,0.560)  it is for those who think television are luxury.

Q: If you use a 0.05 level of significance in a two-tail hypothesis test, what decision will you make…

A:

Q: A television sports commentator wants to estimate the proportion of citizens who "follow…

A: From the provided information, Confidence level = 95% Margin of error = 4% that is 0.04

Q: If you use a 0.05 level of significance in a two-tail hypothesis test, what decision will you make…

A: The value of test statistic is, zSTAT = +1.76 The level of significance is,α=0.05 The type of test…

Q: A television sports commentator wants to estimate the proportion of citizens who "follow…

A: It is given that margin of error (E) is 0.02 and the confidence level is 0.96.

Q: The shape of the distribution of the time required to get an oil change at a 10-minute oil-change…

A:

Q: If you use a 0.06 level of significance in a two-tail hypothesis test, what is your decision rule…

A:

Q: Given a normal distribution with H = 53 and o = 4, complete parts (a) through (d). Click here to…

A: Assume, X be the normally distributed random variable with mean, μ=53 and standard deviation, σ=4.…

Q: If you use a 0.05 level of significance in a two-tail hypothesis test, what decision will you make…

A: Given that: Level of significance = 0.05  Zstat = 2.39. Two tailed hypothesis.  By using z test we…

Q: Given a normal distribution with µ= 45 and o= 4, complete parts (a) through (d). Click here to view…

A: Given that, X~N(μ,σ) , where μ=45, σ=4

Q: If you use a 0.05 level of significance in a two-tail hypothesis test, what decision will you make…

A: We have to find critical region.

Q: According to a study conducted by an organization, the proportion of Americans who were afraid to…

A:

Q: A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size…

A: Find z-critical value:…

Q: In 1945, an organization asked 1421 randomly sampled American citizens, "Do you think we can develop…

A: Given Information: Proportion of citizens responded yes (p) = 744/1421 = 0.5235    Null and…

Q: A television sports commentator wants to estimate the proportion of citizens who "follow…

A:

Q: In a pol, 37% of the people polled answered yes to the question "Are you in favor of the death…

A:

Q: If the population standard deviation is 20 and the sample size is 25, then what is the value of the…

A:

Q: If you use a 0.05 level of significance in a two-tail hypothesis test, what decision will you make…

A: From the provided information, Level of significance (α) = 0.05 The test is two tailed. ZSTAT =…

Q: The shape of the distribution of the time required to get an oil change at a 20-minute oil-change…

A: a) The mean nis 21.8 and the standard deviation is 4.2.

Q: If you use a 0.05 level of significance in a​ two-tail hypothesis​ test, what decision will you make…

A: Given,ZSTAT=2.06and α=0.05

Q: If you use a 0.05 level of significance in a two-tail hypothesis test, what decision will you make…

A:

Q: A researcher wishes to estimate the percentage of adults who support abolishing the penny. What size…

A: a) The population proportion is 24%=0.24. The confidence level is 90%. Margin of error is 0.04(4%).…

Q: The shape of the distribution of the time required to get an oil change at a 15-minute oil-change…

A: