2. In the past, approximately 24% of workers said they brought work home with them, at least occasionally. Recently, in a random sample of 400 employed people, 104 said that they bring work home with them, at least occasionally. a. Test whether the true proportion of all employees who bring work home with them has changed from 24%. Use the 5% level of significance.

Q: Q12. If 150 households were surveyed out of which 120 households have internet fiber cable, then…

A: Given Data: x=150-120=30 n=150

Q: testing in this problem? mean proportion What is the level of significance? e the null and alternate…

A: Given:p_0=35%=0.35 As the population proportion is given, thus we are testing the single…

Q: An online news source reports that the proportion of smart phone owners who use a certain operating…

A: Here we need to find the mean of the sampling distribution. Here it is given that the sample size is…

Q: It is known that 40% of all customers at a service station pay with a credit card. If a random…

A: Given  p=0.40, x=75, n=200

Q: What is the standard error of the sampling dis- tribution of the mean for the following? a. o, = 48,…

A:

Q: 10.20 Smartphones and purchases. A research study asked 4024 smartphone users about how they used…

A: Given,n=4024x=2057

Q: h sampling error

A: From the Given information above we have to calculate sampling error for 14 samples. Sampling error:…

Q: In a random sample of 76 people, 38 are classified as​ "successful."   a. Determine the sample​…

A: Given that in a random sample of 76 people, 38 are classified as​ "successful."  a) The sample​…

Q: A national health survey weighed a sample of 260 boys aged 6-11 and found that 45 of them were…

A: Hypothesis Testing

Q: A researcher would like to determine if the proportion of households without health insurance…

A: Given information: Household income Yes No Less than $25,000 59 22 $25,000 to $49,999 142 40…

Q: According to a recent survey, 77% of husband-wife families with kids under 18 years old have life…

A: Let  n be the sample size  p be the probability of husband-wife families with kids under 18 years…

Q: A marketing company wants to find the average age of employees within a large computer firm. They…

A:

Q: McPhilly is conducting a study on the amount of money a customer spends on each visit to the…

A: Note:  Since we only answer up to 3 sub-parts, we'll answer the first 3. Please resubmit the…

Q: c) Perform the mechanics of the test. What is the P-value? P-value = (Round to three decimal places…

A: The given hypothesis is H0:p=0.07 vs HA:p>0.07.

Q: a. The null and alternative hypotheses would be: 5: Select an answer ✓ Select an answer 1: Select an…

A: Given that  Sample sizes n1=619, n2=760 Favorable cases x1=402 , x2=480 NOTE:- According to bartleby…

Q: Past studies have indicated that the percentage of smokers was estimated to be about 34%. Given the…

A: Given,Past studies have indicated that the percentage of smokers was estimated to be about 34%. That…

Q: General Social Survey asked the question, "After an average work day, about how many hours do you…

A: According to guidelines we solve first three subparts when given multiple subparts.

Q: Does it take more time for seeds to germinate if they are near rock music that is continuously…

A: According to the given information in this question There are more than three subparts according to…

Q: A real estate agent compares the selling prices of randomly selected homes in two municipalities in…

A: The objective of this question is to determine if there is a significant difference in the average…

Q: The mayoral challenger claims that less than 30% of residents over the age of 25 have bachelor’s…

A:

Q: 3. A. A sales manager at Cherry Lake Tree Farm in Lake County believes that the mean number of days…

A: Given claim is The mean number of days per year that her company's sales representativesspend…

Q: Before the furniture store began its ad campaign, it averaged 182 customers per day. The manager is…

A: Note- As per our policy we can answer only the first 3 sub-parts of a question. If you want…

Q: 39. Consider these values a sample: 7, 2, 6, 2, and 3.

A: we have given sample data which is, 7, 2, 6, 2, 3 now, using  sample data points  we will find…

Q: 1. A report in a national magazine estimated that 39 percent of. . of their wives' eyes. Bill…

A: Let X be the number of American husbands who do not know the color of their wives' eyes. A sample of…

Q: 1. A marketing manager for a cell phone company claims that more than 35% of children aged 10 – 11…

A: From the provided information, Sample size (n) = 5000 Out of which 1805 had cell phones. Level of…