obability that a randomly selected adult has an IQ less than 137 is an integer or decimal rounded to four decimal places as needed.)
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- A police department released the numbers of calls for the different days of the week during the month of October, as shown in the table to the right. Use a 0.01significance level to test the claim that the different days of the week have the same frequencies of police calls. What is the fundamental error with this analysis? Calculate the test statistic, chi squared.A survey showed that 32% of human resource professionals are at companies that rejected job candidates because of information found on their social media. If 25 human resource professionals are randomly selected, would 14 be a significantly high number to be at companies that rejected job candidates because of information found on their social media? Why or why not? Select the correct choice below and fill in the answer box within your choice. (Round to four decimal places as needed.) OA. No, 14 would not be significantly high because the probability of 14 or more is OB. Yes, 14 would be significantly high because the probability of 14 or more is OC. Yes, 14 would be significantly high because the probability of 14 or more is D. No, 14 would not be significantly high because the probability of 14 or more is which is low. which is not low. which is low. which is not low.A home pregnancy test was given to women, then pregnancy was verified through blood tests. The following table shows the home pregnancy test results. Positive Negative Total Pregnant 53 6 59 Not Pregnant 8 62 70 Total 61 68 129 Round your answers to the nearest third decimal place.PP(positive∣∣pregnant) = PP(pregnant∣∣positive) = PP(negative∣∣pregnant) = PP(not pregnant∣∣negative) =
- Educational data was recorded for 78 seventh graders. For the students' IQ, a boxplot was drawn, as shown below. 140-F 130+ 120+ 110+ 100 90 80 70Ł What is the interquartile range? o 64 O 50 o 15 o7.5A national military bureau for a certain country collects data on active members in the military. Results are published in a national journal. According to the document, 75.4% of military members are in the reserves and 10.4% of military members are Black and in the reserves. What percentage of military members in the reserves are Black? Roughly % of military members in the reserves are Black. (Type an integer or a decimal. Round to one decimal place as needed.) View an example Get more help. N @ 2 F2 W S #3 X مه H command 20 F3 E D S4 000 000 $ C F4 R F % 5 V FS T G ^ 6 B F6 Y & 7 H 44 F7 U C N * 8 ➤11 10 FB D - 61 M ▶ K F9 O II . : ; F11 { alt [ option + +11 ? = 1 Check answer 4) 11 I F12 } 1 ( delete 1 ente retA survey showed that 34% of human resource professionals are at companies that rejected job candidates because of information found on their social media. If 27 human resource professionals are randomly selected, would 16 be a significantly high number to be at companies that rejected job candidates because of information found on their social media? Why or why not? Select the correct choice below and fill in the answer box within your choice. (Round to four decimal places as needed.) O A. No, 16 would not be significantly high because the probability of 16 or more is O B. Yes, 16 would be significantly high because the probability of 16 or more is O c. Yes, 16 would be significantly high because the probability of 16 or more is O D. No, 16 would not be significantly high because the probability of 16 or more is which is low. which is low. which is not low. which is not low.
- Check conditions for the Chi-Square test for independence: The number of people who survived the titanic based on class and sex is collected and attached in the photo. Null: class and sex of a person who survived the titanic are independent. Alt: class and sex of a person who survived the titanic are dependent.Would pettys team sample data support the claim that the life of goodbar tries has increased from 2,200 mile figure using a 0.05 level of signifiganceResearchers investigated the effect of weed-killing herbicides on house pets. They examined 822 dogs from homes where herbicides were used regularly, diagnosing malignant lymphoma in 475 of them. Of the 125 dogs from homes where no herbicides were used, only 15 were found to have lymphoma. Complete parts a through c. a) What is the standard error of the difference in the two proportions? (Round to five decimal places as needed.)
- Please all the questionA university conducted a study of online adults that included 411 tablet owners. The study found that 217 tablet owners use their tablet while watching TV. The authors of the report imply that the survey proves that more than half of all tablet owners use their tablet while watching TV at least once per day. Determine the p-value. The p-value is _______ (Round to four decimal places as needed.)In a city with three high schools, all the ninth graders took a Standardized Test, with these results: Number of ninth graders (Frequency) Mean Test Score High School Glenwood 82 262 Central 92 311 Lincoln 67 168 The city's PR manager, who never took statistics, claimed the mean score of all ninth graders in the city was the average of 82, 92, and 67, whic incorrect. What is the mean score for all ninth graders in the city? Round to one decimal place 80.3. Of course, that is Mean of all ninth grader's scores *