Question

In: Statistics and Probability

A newspaper article claimed that more than 42% of women ages 18-33 are mothers. In a...

A newspaper article claimed that more than 42% of women ages 18-33 are mothers. In a random sample of 150 women ages 18-33, 72 were mothers. Use this random sample to test the newspaper article's claim at the 10% significance level.

a: state hypotheses
b: verify conditions that hold
c: calculate the test statistic
d: calculate the p value

Solutions

Expert Solution

Condition required is,

n*p = 150 * 0.43 = 64.5 > 10

And

n*p*q = 150*0.43*0.57 = 36.765 > 10

Conditions satisfied.

Dear student,
I am waiting for your feedback. I have given my 100% to solve your queries. If you satisfied with my answer then please please like this.
Thank You

orchestra answered 2 years ago
Next > < Previous

Related Solutions

A recent newspaper article claimed that 18% of all sick days throughout the year are taken...
A recent newspaper article claimed that 18% of all sick days throughout the year are taken illegitimately. In response to this article, the Mean Corporation has randomly selected 124 employees for an annual review of the corporation's truancy rates. The officer carrying out the review has declared: "If the proportion of illegitimate sick days per year taken by you people is not less than 0.16, you will all be fired!" Calculate the probability that the proportion of illegitimate sick days...
An article in the The Star Newspaper implies that more than half of all Malaysians would...
An article in the The Star Newspaper implies that more than half of all Malaysians would prefer to being given RM100 rather than a day off for work. This statement is based on a survey conducted by Malaysian Employee Incentives and Remunerations Research Consultant Agency, in which 1,040 of 2,000 respondents indicated that they would rather have the RM100. At 0.05 level of significance, is there evidence based on the survey data that more than half of all Malaysians would...
“Are Women Really More Talkative Than Men?” is the title of a 2007 article that appeared...
“Are Women Really More Talkative Than Men?” is the title of a 2007 article that appeared in the journal Science. In the article, Mehl and colleagues report the results of a study of 396 men and women. Each par-ticipant wore a microphone that recorded every word he or she uttered. The researchers counted the number of words uttered by men and women and compared them. The data below are fictional but they re-create the pattern that Mehl and colleagues observed:...
Women (ages 18 to 25) heights Data Collection                                   &n
Women (ages 18 to 25) heights Data Collection                                                                                                                     Height (ft.) 1 5.0 2 5.4 3 5.4 4 5.5 5 4.11 6 5.8 7 5.1 8 5.3 9 5.4 10 5.5 11 5.7 12 5.8 13 5.10 14 5.7 15 6.3 13) Plot the third bell curve below: 14) What is the data value associated with a z-score of 0.5? _________________________ 15) What is the data value associated with a z-score of -2.4? _________________________ 16) What is the variance of this...
The ages of a group of 10 swimmers were as follows: 20, 15, 18, 38, 42,...
The ages of a group of 10 swimmers were as follows: 20, 15, 18, 38, 42, 51, 11, 23, 20, 26 No rounding, keep the decimals. Thanks Mean? Mode? Midrange? Standard deviation ? Median? Range? Variance? If making a stem and leaf plot, what would the stems be?
The ages of a group of 10 swimmers were as follows: 20, 15, 18, 38, 42,...
The ages of a group of 10 swimmers were as follows: 20, 15, 18, 38, 42, 51, 11, 23, 20, 26 No rounding, keep the decimals. Thanks Mean? Mode? Midrange? Standard deviation ? Median? Range? Variance? If making a stem and leaf plot, what would the stems be?
The height of women ages 18 to 24 are approxiametly bell shaped with X=64.5 inches and...
The height of women ages 18 to 24 are approxiametly bell shaped with X=64.5 inches and S=2.5 inches. according to the empirical rule, approximately what percentage of the women's height would you expect to fall between: *explain and show work a) 62 and 67 inches? b) 59.5 to 69.5 inches? c) 57 to 72 inches? d) if there was a height equal to 77 inches, could you consider such a height and outlier?explain
In the study, it was found that mothers reported more progressive parenting attitudes and modernity than...
In the study, it was found that mothers reported more progressive parenting attitudes and modernity than fathers, why might this be the case? "Authoritarian parenting was associated with lower academic achievement in Australia, China, and the United States, but it was associated with higher academic achievement in Hong Kong. Furthermore, within Australia and the United States, authoritarian parenting was associated with higher academic achievement among parents with low education/low income." Why might this be the case? These questions are opinion...
It is claimed that the proportion of male golfers is more than 0.4 (40%). State the...
It is claimed that the proportion of male golfers is more than 0.4 (40%). State the null and alternate hypothesis that would be used to check this claim Suppose a sample is taken and the requirements are met. The results of the analysis say reject the hypothesis at the 5% level of significance. Write the interpretation of this hypothesis test.       
Find a news article that discusses ethics in finance. The article should be no more than...
Find a news article that discusses ethics in finance. The article should be no more than 12 months old. Summarize the article and analyse the impact on the company
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT