I swear I get so much junk email! I suspect 50% of my emails are junk emails. The results of selected 75 emails, classified as “work”, “personal”, or “junk” are found in the Excel sheet labeled Emails. Perform a z test for proportion to test my claim at 0.05 significance level. Show your work on the Excel sheet labeled Emails, and provide your final answers on the yellow highlighted cells properly. a) What is the value of test statistic of this test? (Keep 4 or more decimal places) b) What is the value of p value of this test? (Keep 4 or more decimal places) c) Based on your p value, write the conclusion to answer my claim. Make sure to use the given word in the claim when writing the conclusion. Show all your work please (equations, calculations) . data for excel:

Q: To asses attitudes towards issues that affect the residents of a village, the village randomly chose…

A: sample proportion is nothing but the ratio of favourable outcomes in sample to the total possible…

Q: According to a polling organization, 23% of adults in a large region consider themselves to be…

A: Provided information is, According to polling organization, 23% of adults in a large region consider…

Q: A consumer group surveyed 146 airplane travelers after a flight and found that 132 of them would fly…

A:

Q: A Pew Internet poll asked 4272 U.S. adults about their use of smart watches and fitness trackers. A…

A: Given that  Total Number of adults about their use of smart watches and fitness trackers n = 4272…

Q: Among 1815 randomly selected high school students surveyed by the Centers for Diseases Control, 300…

A: Given X=300 n=1815

Q: Use the results from a survey of a simple random sample of 1081 adults. Among the 1081 respondents,…

A:

Q: A student would like to estimate the average number of text messages sent by cell-phone users in a…

A:

Q: On his 5 tests, Ahmad earned a total of 450 points. What was his mean number of points earned per…

A: The objective of this question is to find the mean number of points Ahmad earned per test. The mean…

Q: What is the percentile rank of a bag that contains 1025 chocolate​ chips?

A: The mean is 1252 and the standard deviation is 129.

Q: Use the results from a survey of a simple random sample of 1095 adults. Among the 1095 ​respondents,…

A: Use the results from a survey of a simple random sample of 1095 adults. Among the 1095 ​respondents,…

Q: I am doing a survey and want to know how many siblings each participant has. Participant 3 leaves…

A: Introduction: Consider that there are n participants in the study. Each participant is asked how…

Q: Use these results from a USA Today survey in which 510 people choseto respond to this question that…

A:

Q: A quality-conscious disk manufacturer wishes to knoww the fraction of disks his company makes which…

A: Given, The no. of sample, n =5431 The number of defective, x = 4943

Q: Use the results from a survey of a simple random sample of 1077 adults. Among the 1077 respondents,…

A: Given:n = 1077p̂ = 71% = 0.71p = 13/20a. Actual number of respondents who rated themselves as above…

Q: An opaque jar contains 300 marbles, all either green or purple. Calista pulls out 10 marbles without…

A: # Given: no of marble in jar N=300  Sample of size n=10 drawn  No of purple marble in sample =2…

Q: Medical Marijuana? An international poll of physicians was conducted on the New England Journal of…

A: a. In a poll conducted on the physicians which asked about “Do you believe that the overall…

Q: among the 1018 respondents, 428 said that pesticides are "not at all harmful."  What percentage of…

A: Total number of respondents = 1018Total number of respondents said that pesticides are "not at all…

Q: A report shows that 32% of citizens want to move out of theirneighborhood. An alderman wants to test…

A: The objective of the question is to identify the appropriate statistical test to determine if the…

Q: Use the results from a survey of a simple random sample of 1077 adults. Among the 1077 respondents,…

A: Step 1:Total sample size is 1077Percentage rating themselves as above-average is 71% is 0.71Step…

Q: Use the results from a survey of a simple random sample of 1155 adults. Among the 1155 respondents,…

A: Solution

Q: In order to get the mean price of homes selling in San Diego, you use 50 homes to determine the…

A: Population : Population is a group of individuals, items, units or subjects  which is under…

Q: What is the standard error of the sample proportion of people that like a product if you have a…

A:

Q: I had to find the 20th percentile with the following data.    0, 1, 2, 2, 2, 3, 4, 4, 4, 8..... My…

A: We have given the data, 0, 1, 2, 2, 2, 3, 4, 4, 4, 8 And we have to find 20th percentile ?

Q: Medical Marijuana? An international poll of physicians was conducted on the New England Journal of…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: The Bangor Humane Society tracks cat adoptions closely. They sample 54 people who looked at cats…

A: Sample proportion = x/n Here x = 36 and n = 54

Q: You intend to conduct an ANOVA with 80 subjects, which will be divided into 5 treatment groups.…

A: Given  K=5=treatment, N=80

Q: There are 15 mobile phones in a package box, 8 of which are iphones. If a person takes 5 phones from…

A: Number of mobile phones=15 Number of iphones=8 Number of phones selected from the box=5 The…