The yearly rates of traffic accidents and violations were studied for a group of 110 who volunteered for treatment for substance abuse. For the five years preceding treatment, their mean accident rate was 0.103 with a standard deviation of 0.167. At a = 0.05 level of significance, test the claim that the sample differs from the general driving population with a mean accident rate of u = 0.075. Find the p-value for this test. young adult males

Q: per day for Filipino female adolescents ages 14 to 18 years old is 75 grams. A researcher conducted…

A:

Q: A particular brand of tires claims that its deluxe tire averages at least 50,000 miles before it…

A: Given, μ = 50000 σ = 8000 Mean, -x = 45600 n = 29 alpha = 0.05

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A: Given information Population mean, µ = 800 pounds Population standard deviation, σ = 40 pounds…

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A: Given problem Given that   A survey found that the average hotel room rate in Luzon is ₱2,400 and…

Q: an oceanographer claims that the mean dive duration of a north atlantic right whale is 11.5 minutes.…

A: From the given information, Sample size n =34 the Sample mean, x̅=12.2 minutes the Sample standard…

Q: The average American consumes 85 liters of alcohol per year. Does the average college student…

A: Given: n= 13.0 ,x̄= 82.1 ,s= 23.0 µ= 85.0 ,significance level(∝)= 0.1 ,degree of freedom= 12.0

Q: the filling variance for boxes of cereal is designed to be .02 or less. a sample of 41 boxesof…

A:

Q: In an all boys school, the heights of the student body are normally distributed with a mean of 69…

A: By empirical rule, Approximately 68% of the data values lie within 1 standard deviation on each…

Q: A company which produces batteries claims that the life expectancy of their batteries is at least 90…

A: Given Information: Claim: The life expectancy of batteries is at least 90 hours. Sample size n=40…

Q: The manufacturer of the X-15 steel-belted radial truck tire claims that the mean mileage the tire…

A: Followings are the Explanation of the Question  Use the One Sample Z test    The provided sample…

Q: The mean serum-creatinine level measured in 12 patients 24 hours after they received a newly…

A: Note:  As per the company guidelines only 3 subparts can be answered.  Kindly, resubmit the question…

Q: The average American consumes 98 liters of alcohol per year. Does the average college student…

A:

Q: Does the average Presbyterian donate less than the average Catholic in church on Sundays? The 49…

A: Note: Hey there, here degrees of freedom is 91. In order to find the p-value, the “critical value…

Q: A random sample of 14 cows was selected from a large dairy herd at Brookfield Farm. The milk yield…

A:

Q: A company claims that, the mean battery life of their cell phone is at least 5 hours and standard…

A: Given,sample size(n)=25sample mean(x¯)=4.8standard deviation(σ)=0.5α=0.04H0:μ<5H1:μ≥5

Q: To determine the effects, researchers measured the LDL levels of 36 randomly selected men and 41…

A: Solution-: Given:               For women:n1=41,x1¯=15.4,σ1=1.9  and  For men: n2=36,x2¯=13.3,σ2=1.3…

Q: A sample of 50 lenses used in eyeglasses yields a sample mean thickness of 3.05 mm and a sample…

A: Denote μ as the true average thickness of lenses.

Q: The daily income of bank auditors in SSS Commercial Bank is normally distributed with a mean of 675…

A: Given that, μ=675σ=45 The z-score for the income x of a bank auditor who earns 700 pesos daily is,…

Q: A telecommunications company claims that households receive an average of 40 telephone calls per…

A: From the given information, μ=40 calls σ=5 callsn=35x=36α=0.10

Q: An economist studying fuel costs had a suspicion that the median price of gasoline in his state was…

A: Given  x¯=3.04s=0.39α=0.01 test statistic=0.65 p-value =0.260

Q: A particular brand of tires claims that its deluxe tire averages at least 50,000 miles before it…

A: Given information: μ=50000, σ=8000n=30, x¯=46300, s=9800α=0.05 d)  The population standard deviation…

Q: Steel used for water pipelines is often coated on the inside with cement mortar to prevent…

A: 7/16 inch = 0.4375 inch The following information has been provided: μ=0.635, σ=0.082\mu = 0.635,…

Q: A psychiatrist is testing a new antianxiety drug, which seems to have the potentially harmful side…

A: Given, sample size, n = 50 the mean heart rate was 70 beats per minute If the mean heart rate for…

Q: Does the average Presbyterian donate a different amount of money compared to the average Catholic in…

A: Given  α=0.10 For Presbyterian : n1=60x¯1=28s1=9 For Catholic : n2=59x¯2=30s2=15

Q: In a sample of 50 business trips taken by employees in the HR department, a company finds that the…

A: Test statistic is 2.05 Critical value is 2.57

Q: The average grade of 64 students selected to test the claim that the students in the Business…

A: Given: n=64, x=72 and p-value=0.03. The test is to test:H0:μ=70vsH1:μ>70   So, it is right tailed…

Q: A particular brand of tires claims that its deluxe tire averages at least 50,000 miles before it…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: A recent study found that 61 children who watched a commercial for potato chips featuring a…

A: We have to calculate the p value for the hypothesis test for the difference in the means.

Q: The mean height of 50 male students who showed above-average participation in college athletics was…

A: Let μ1 denotes the population mean of male students who participate in college athletics, and μ2…

Q: When 40 people used Weight Watchers for one year, their mean weight loss was 3.0 lbs and their…

A: The test hypotheses are given below: H0:μ=0 lbsHa:μ>0 lbs From the given information, the…

Q: The distribution of average hours of sleep per weeknight among college students is found to be…

A:

Q: The mean nicotine content of a simple random sample of 25 unfiltered king-size cigarettes is 1.26…

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Q: The math test scores of 16 students from one high school showed a mean of 107, a standard deviation…

A: Hypothesis test evaluates two mutually exclusive statements about a population to determine which…

Q: Archives of the Journal of Internal Medicine claimed that garlic has no effect on blood cholesterol,…

A: A clinical trial involving 36 subjects was conducted to test the effectiveness of garlic for…

Q: what is the p- value

A:

Q: In the past, patrons of a cinema complex have spent an average of $5.25 for popcorn and other…

A: Given Information: In the past, patrons of a cinema complex have spent an average of $5.25 for…

Q: A manufacturer of hard safety hats for construction workers is concerned about the mean and the…

A:

Q: Are serial killers more introverted than the general population? A sample of 14 serial killers…

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Q: The average farm size in the United States is 444 acres. A random sample of 40 farms in Oregon…

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Q: The lifespan of lightbulbs is normally distributed with a mean of 300 days and standard deviation of…

A: From the provided information, Mean (µ) = 300 Standard deviation (σ) = 50 X~N (300, 50) X is random…

Q: The average test scores in a Science class is normally distributed with a standard deviation of 8.…

A: Given that,  n=200 X bar=170 Std. dev.=σ=8

Q: The amount of time a certain brand of light bulb lasts is normally distributed with a mean of 1200…

A: Let X denote the amount of time a certain brand of light bulb lasts. Given that X follows N(mean =…

Q: It is claimed that the average household in Thunder Bay uses more than 1170 kWh of electricity each…

A:

Q: A particular brand of tires claims that its deluxe tire averages at least 50,000 miles before it…

A:

Q: Assuming cholestorol data indicated a mean total cholesterol level for adult persons 20 years of age…

A: Consider X be a random variable which follows normal distribution indicating the cholesterol level.…

Q: The mean score in miss smiths 4th grade class was 76, with a standard deviation of 7. Assume the…

A: Solution: Let X be the score in miss smiths 4thgrade class. From the given information, X follows…

Q: The daily income of bank auditors in SSS Commercial Bank is normally distributed with a mean of ₱675…

A: Given data,μ=675σ=50

Q: A radio station claims that the amount of advertising per hour of broadcast time has an average of…

A: It is given that, A radio claims that the amount of advertising per hour of broadcast time has an…

Q: Does chronic hepatitis C infection impact bone mineral density? In the general population of healthy…

A: