Additional Activities Activity 6. Parameter Plus! Directions: Determine the parameter to be tested in the given problems below. 1. An electric lamps manufacturer is testing a new method of producing lamps that will be considered acceptable in a normal population with an average life of 2,600 hours and a standard deviation equal to 350. A sample of 80 lamps produced by this method has an average life of 2,630 hours. Can the hypothesis of validity for the new manufacturing process be accepted with a risk equal to or less than 5%? 2. A car dealer claims that the average price of Honda Vios is at least P662,000.00. A client suspected that the claim is incorrect and found

Q: 7. A poll sampled 1000 adults in the U.S. Of these people, 770 said that they enjoyed situations in…

A: According to our policy we can answer only 1st in part for remaining please repost the question.

Q: The latest sample of eight measurements gave a sample average concentration (X) of 8.13 mmol/L and a…

A: Sample size =8 Sample mean =8.13 Sample standard deviation =0.16 Population mean =8.25  We have to…

Q: 4. Consider the problem of testing Họ: H = 15 against Ha: u> 15 where u is the mean weekly number of…

A: Solution: Given information: μ=μ0=15  Population mean σ= 4  Population standard deviation Power = 1-…

Q: ou wish to test the following claim (HaHa) at a significance level of α=0.02α=0.02.…

A: As you do not know the standard deviation, we will use a t-test. Given: n=89 M=X=75.7 SD=s= 16.4 The…

Q: You wish to test the following claim (HaHa) at a significance level of α=0.01α=0.01.…

A: Given than n=25

Q: Calculate the standardized test statistic. The standardized test statistic is _____________. (round…

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Q: a Can we conclude that there is a difference in the mean measurements between the two methods?

A: Given,the measurement in percent of the nickel content.To conduct a hypothesis test for the…

Q: For all problems provide the following as warranted. SHOW ALL WORK: Null hypothesis; Alternative…

A: Form the given information,

Q: 12. Suppose we want to know whether or not the mean weight of a certain species of dog is equal to…

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Q: Carry out a test of hypothesis to draw conclusions in relation to each of the following problems. 1.…

A: Given: x=65n=100 The majority of the students are happy and contented with the universities…

Q: 3. At a certain college, it is estimated that fewer than 25% of the students have cars on campus.…

A: We have given that  Sample size n =90 Favorable cases x=28 Sample proportion p^=x/n  =28/90 =0.3111

Q: 10. Suppose we want to know whether or not the mean weight of a certain species of cat is equal to…

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Q: A local manufacturer will qualify a new machine if the percentage of its serviced product does not…

A: We have given that  Sample size n =250 Favorable cases x =6 Sample proportion p^=x/n  =6/250 =0.024…

Q: You wish to test the following claim (HaHa) at a significance level of α=0.02α=0.02.…

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Q: A hypothesis test is to be performed. Determine the null and alternate hypotheses. In  1994 , the…

A: Suppose µ is the true average duration of long-distance phone calls.

Q: It is believed that the waiting time for a service has a population mean value of µ =13 minutes. One…

A: 1) Null hypothesis: H0 : µ=13. Alternative hypothesis: H1 :µ≠13.

Q: Consider the following null and alternative hypotheses: Ho:u = 60 versus H1: µ > 60 Suppose you…

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Q: You wish to test the following claim (HaHa) at a significance level of α=0.001α=0.001.…

A: Given information: The sample size is n=29. The sample mean is M=71.2. The sample standard deviation…

Q: The following four questions will be based on this problem. The mean of a population is assumed to…

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Q: 5. An experiment was conducted to compare the vinegar content of salad dressing on two different…

A: Given: Sample size = n1 = n2  = 10 Sample variance s12=2.0 Sample variance s22=0.4 Confidence level…

Q: You wish to test the following claim (HaHa) at a significance level of α=0.02α=0.02.…

A:

Q: Suppose the average blood sugar level in 35- to 44-year-olds is 4.86 (mmol/L). Do sedentary people…

A: The hypothesized mean is 4.86.

Q: Because of high production-changeover time and costs, a director of manufacturing must convince…

A:

Q: We want to compare cholesterol levels between men and women, so we collect a sample of 20 women and…

A: From the provided information,

Q: You wish to test the following claim (HaHa) at a significance level of α=0.005.       Ho:μ=64.5…

A: From the provided information, Sample size (n) = 208 Sample mean (M) = 65.6 Sample standard…

Q: You wish to test the following claim (HaHa) at a significance level of α=0.10α=0.10.…

A:

Q: You wish to test the following claim (HaHa) at a significance level of α=0.005α=0.005.…

A: It is given that the sample size is 58 with mean 90 and standard deviation is 6.3. Given hypotheses…

Q: A normal population has mean u (unknown) and variance 9. A sample of size 9 observations has been…

A:

Q: 13. A sample mean, sample standard deviation, and sample size are given. Use the one-mean t-test to…

A: Given dataSample mean(x¯) = 3.12           s = 0.59                n = 9          α = 0.01  H0: µ =…

Q: You wish to test the following claim (Ha) at a significance level of α=0.002α=0.002.…

A: Given Information- Hypothesized mean, µ = 68.9 Sample mean, M = 74.7 Sample standard deviation, s =…

Q: 1. A car insurance company performed a study to determine whether an association exists between age…

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Q: You wish to test the following claim (HaHa) at a significance level of α=0.001α=0.001.…

A: Here, the sample size n is 12.

Q: You wish to test the following claim (HaHa) at a significance level of α=0.02.       Ho:μ=88.1…

A: Given, Sample size = 74 Sample mean = 81.2 Sample standard deviation = 16.9   Set up the null and…

Q: Original Claim: Fewer than 90% of adults have a cell phone. This is a claim about a population…

A: Solution: According to the guidelines first three sub-parts should be answered if more than three…

Q: However, there are other events that are similarly improbable and should prompt a user to stop…

A: Given are the three control charts.

Q: You wish to test the following claim (HaHa) at a significance level of α=0.10α=0.10.…

A: From the above data  we are given that  sample of size n=638 mean M=81 standard deviation of SD=11.3…

Q: The accounting department analyzes the variance of the weekly unit costs reported by two production…

A: