der the following hypothesis test. H0: ? ≥ 90 Ha: ? < 90 A sample of 100 is used and the population standard deviation is 12. Compute the p-value and state your conclusion for each of the following sample results. Use ? = 0.01. x = 91 A) Find the value of the test statistic. (Round your answer to two decimal places.)

der the following hypothesis test. H0: ? ≥ 90 Ha: ? < 90 A sample of 100 is used and the population standard deviation is 12. Compute the p-value and state your conclusion for each of the following sample results. Use ? = 0.01. x = 91 A) Find the value of the test statistic. (Round your answer to two decimal places.)

Name: Consider the following hypothesis test.H0: ? ≥ 90Ha: ? < 90 A sample o
Uploaded: 2024-03-20T07:07:12.000Z
Channel: Bartleby
Description: Consider the following hypothesis test.H0: ? ≥ 90Ha: ? < 90 A sample of 100 is used and the population standard deviation is 12. Compute the p-value and state your conclusion for each of the following sample results. Use ? = 0.01. x = 91 A) Find the

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Related questions

Q: An experiment was conducted to determine whether giving candy to dining parties resulted in greater…

A: Step 1:Since we want to determine whether giving candies to dining parties resulted in greater tips,…

Q: The manufacturer claims that your new car gets 35 mpg on the highway. You suspect that the mpg is…

A: (a) Determine the type of test used for the given study. The type of study used for the given…

Q: Calculate the standard score (z-score) of the given sample mean. Round your answer to two decimal…

A: Given,mean(μ)=12standard deviation(σ)=5sample size(n)=83sample mean(x¯)=11

Q: Test the claim below about the mean of the differences for a population of paired data at the level…

Q: need help with finding the -test statistic -p value - and if it's dail to reject. Thank You!

A: From the provided information, The hypotheses can be constructed as: Null hypothesis: H0: µ = 5.00…

Q: A null hypothesis states that p=.5, the observed sample proportion is p=.592 with a sample size of…

A: Given, p0 = 0.5 P^ = 0.592 n = 67

Q: State the conclusion. Ho. There (Type an integer or a decimal. Do not round.) evidence to conclude…

Q: A golf analyst claims that the standard deviation of the 18-hole scores for a golfer is at most 2.4…

Q: An electrician wants to know whether batteries made by two manufacturers have significantly…

A: Given Data : For Sample 1 x̄1 = 119.0 σ1 = 4.0 n1 = 113 For Sample 2…

Q: Suppose that, on average, U.S. adults get fast food 10 times a week. In a random sample of 41…

A: Comment: As per the our company guidelines we are supposed to answer only three subparts. Kindly…

Q: A certain vending company's soft-drink dispensing machines are supposed to serve 6 oz of beverage.…

A: There are 5 independent samples which are A, B, C, D and E. We have to test whether there is a…

Q: The lengths of adult males' hands are normally distributed with mean 193 mm and standard deviation…

A: Given,Mean, μ = 193 mmStandard deviation, σ = 7.2 mmSample size, n = 45Using formulas,

Q: A golf analyst claims that the standard deviation of the 18-hole scores for a golfer is at least…

A: The random variable 18-hole score for a golfer follows normal distribution. The population standard…

Q: A technology manufacturing company has recently switched to the production of isolinear processors.…

Q: Determine whether the hypothesis test involves a sampling distribution of means that is a normal…

A: Given that x̄ = 100 , μ = 82 , S = 15.1 , n =20

Q: For each of the 2 majors, conduct a full hypothesis test at the 0.01% significance level: Claim: The…

Q: A certain vending company's soft-drink dispensing machines are supposed to serve 6 oz of beverage.…

A: The null and alternative hypothesis is given by;H0: μA=μB=μC=μD=μEH1: At least one is not equalThe…

Q: A fitness instructor wants to estimate the average number of steps his clients walk per day. She…

A: When we extract some value for a population that is a sample. The sample is denoted by 'n'. Using…

Q: Explain what "statistical significance" means. Choose the correct explanation below. O A.…

A: If the hypothesis test tends to reject the null hypothesis, the test is said to be statistically…

Q: A golf analyst claims that the standard deviation of the 18-hole scores for a golfer is at most…

A: GivenA golf analyst claims that the standard deviation of the 18-hole scores for a golfer is at…

Q: Thirty-nine different video games showing violence were observed. The duration times of violence (in…

A: Given statement is "39 different video games showing violence were observed. The duration times of…

Q: A golf analyst claims that the standard deviation of the 18-hole scores for a golfer is less than…

A: State the null hypothesis. The null hypothesis is stated below as follows: That is, the standard…

Q: video games showing alcohol use were observed. duration time Thirty-seven test of the claim that the…

A: given data sample size n = 37one sample t test. claim : μ > 88what does df denote and what is its…

Q: Use the Empirical Rule. Suggestion: sketch the distribution in order to answer these questions. a)…

A: mean =48 s=4

Q: Forty randomly selected students were asked the number of pairs of sneakers they owned. Let X = the…

A: Given n=40

Q: Find the standard deviation for the given sample data. Round your answer to one more decimal place…

A: The standard deviation is obtained as follows: s=∑x-x¯2n-1 x¯=∑xn=1149=12.6667 Thus, the sample mean…

Q: Because 10 is (7). the interval, there (8). enough evidence that the average weight loss is more…

A: answers Comment

Q: The principal randomly selected six students to take an aptitude test. Their scores were 79 88 83 80…

A: " Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: A population has a mean p =74 and a standard deviation o = 8. Find the mean and standard deviation…

A: According to the provided information, μ=74σ=8n=64

Q: The lengths of adult males' hands are normally distributed with mean 191 mm and standard deviation…

A: The question is about sampling distributionGiven :Population mean length of hands of adults males' (…

Q: Select the best response. We take a simple random sample (SRS) from a population to studythe effect…

A: Here we want to know which Hypothesis test use.

Q: A null hypothesis states that p%=.3, the observed sample proportion is p=.41 with a sample size of…

Q: A data set includes data from student evaluations of courses. The summary statistics are n= 88,…

Q: Consider the following. n = 5 measurements: 2, 2, 3, 1, 5 Calculate the sample variance, s², using…

A: Given data is 2,2,3,1,5

Q: primary measure of dispersion for sample data is the sample standard deviation, s. Choose the best…

A: In this problem we use the general definition of standard deviation (S.D.) and standard deviation is…

Q: A golf analyst claims that the standard deviation of the 18-hole scores for a golfer is less than…

A: We have to find correct option for each question..

Topic Video

Question

Consider the following hypothesis test.

H₀: ? ≥ 90

H_a: ? < 90

A sample of 100 is used and the population standard deviation is 12. Compute the p-value and state your conclusion for each of the following sample results. Use

? = 0.01.

x = 91

A) Find the value of the test statistic. (Round your answer to two decimal places.)

B) Find the p-value. (Round your answer to four decimal places.)

p-value =

State your conclusion.

Do not reject H₀. There is sufficient evidence to conclude that ? < 90.

Do not reject H₀. There is insufficient evidence to conclude that ? < 90.

Reject H₀. There is sufficient evidence to conclude that ? < 90.

Reject H₀. There is insufficient evidence to conclude that ? < 90.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1- Writing given data

VIEW

Step 2 - Hypothesis testing

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Hypothesis Tests and Confidence Intervals for Means$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, probability and related others by exploring similar questions and additional content below.

Similar questions

Suppose that you want to perform a hypothesis test for a population mean. Assume that the population standard deviation is unknown and that the sample size is relatively small. In each part, the distribution shape of the variable under consideration is given. Decide whether you would use the t-test, the Wilcoxon signed-rank test, or neither. a. Triangular b. Symmetric bimodal c. Left skewed
Forty randomly selected students were asked the number of pairs of sneakers they owned. Let X= the number of pairs of sneakers owned. The results are as follows: X Frequency Relative Frequency Cumulative Relative Frequency 1 2 2 5 3 8 4 12 5 12 7 1 a.) Find the sample mean x. (Round your answer to two decimal places.) b.) Find the sample standard deviation, s. (Round your answer to two decimal places.) c.) Find the first quartile. d.) Find the median. e.) find the 3rd quartile f.) What percent of the students owned at least five pairs? (Round your answer to one decimal place.) g.) Find the 40th percentile. h.) find the 90th percentile İ) Contruct a box plot of the data j) complete the columns of the chart k) construct a histogram of the data
You would like to know the average hourly wage in your area. You ask 20 people, and find a sample mean of 8.50 dollars. The population standard deviation is 2.89 dollars. Assume that distribution is normal. a. Give a point estimate for the mean hourly wage.b. Give the 90% margin of error for the mean. c. Write a sentence about the results. The average hourly wage in my area is about ________, give or take _______.
An independent measures study with n = 6 in each sample produces a sample mean difference of 8 points and Sm1-m2= 2. What is the value for the T statistic? A. 1 B. 2 C. 4 D. 4/-8
The number of dollars a round trip plane ticket costs from North America to Europe is normally distributed with a mean of $1,780 and a standard deviation of $335. What is the probability a randomly selected ticket costs between $775 and $2,785? Enter your answer in decimal form. For example. 75% should be entered as 0.75
A golf analyst claims that the standard deviation of the 18-hole scores for a golfer is at most 3.1 strokes. State Ho and H, in words and in symbols. Then determine whether the hypothesis test for this claim is left-tailed, right-tailed, or two-tailed. Explain your reasoning. ..... State the null hypothesis in words and in symbols. Choose the correct answer below. A. The null hypothesis expressed in words is, "the standard deviation of the 18-hole scores for a golfer is not 3.1 strokes." The null hypothesis is expressed symbolically as, "Ho: σ7 3.1." B. The null hypothesis expressed in words is, "the standard deviation of the 18-hole scores for a golfer is at least 3.1 strokes." The null hypothesis is expressed symbolically as, "Ho: o2 3.1." C. The null hypothesis expressed in words is, "the standard deviation of the 18-hole scores for a golfer is at most 3.1 strokes." The null hypothesis is expressed symbolically as, "Ho: os3.1." D. The null hypothesis expressed in words is, "the…
Need help with question b (the answer is not -0.64 ; 0.82)
A golf analyst claims that the standard deviation of the 18-hole scores for a golfer is less than 1.5 strokes. State H, and H, in words and in symbols. Then determine whether the hypothesis test for this claim is left-tailed, right-tailed, or two-tailed. Explain your reasoning. State the null hypothesis in words and in symbols. Choose the correct answer below. O A. The null hypothesis expressed in words is, "the standard deviation of the 18-hole scores for a golfer is at least 1.5 strokes." The null hypothesis is expressed symbolically as, "Ho: 02 1.5." O B. The null hypothesis expressed in words is, "the standard deviation of the 18-hole scores for a golfer is at most 1.5 strokes." The null hypothesis is expressed symbolically as, "Ho:os1.5." O C. The null hypothesis expressed in words is, "the standard deviation of the 18-hole scores for a golfer is less than 1.5 strokes." The null hypothesis is expressed symbolically as, "Ho: o1.5." The hypothesis test is because the V contains
Solve the problem. Find the standardized test statistic t for a sample with n = 15, x = 8.7, s = 0.8, and a = 0.05 if Ho: Hs 8.4. Round your answer to three decimal places. a. 1.452 b. 1.631 c. 1.728 d. 1.312