Question 19 (0.25 points) The contingency table below represents…

Question Answered step-by-step Question 19 (0.25 points) The contingency table below represents… Question 19 (0.25 points) The contingency table below represents the responses to a first day survey of MATH 153 students in 2021.  The two questions displayed are about which hand they write with AND whether they can play a musical instrument.Image transcription textPlay musical instrument? Preferredhand? No Yes Left hand 2 3 Right hand54 41 Ambidextrous 5 2… Show moreWhat does the number 41 represent in this table?Question 19 options: Question 20 (0.25 points) The contingency table below summarizes a survey given to 130 randomly selected middle schoolers. What percent of these middle schoolers are 7th graders? Round your answer to 1 decimal place.Question 20 options: Question 21 (0.25 points) The contingency table below summarizes a survey given to 130 randomly selected middle schoolers. Which grade is least likely to have a cell phone?  Please upload a photograph your work and explain your decision.Question 21 options: Add a FileRecord AudioRecord Video Question 22 (0.25 points) A Gallup Poll from October 15, 2020 asked 1,014 U.S adults if they thought marijuana should be legalized.  The data provided has two categorical variables Age Group (18-34, 35-54, 55+) and Legalize Marijuana (Yes, No). What percent of 18 – 34 year olds responded that marijuana should be legalized? Round your anser to 2 decimal places.Click here to open the data in StatCrunch.Question 22 options: Question 23 (0.25 points) Consumer Reports Health reported the accompanying caffeine concentration (mg/cup) for 12 brands of coffee. Click here to open this data in StatCrunch. Compute the standard deviation for the caffeine concentration. Round your answer to 1 decimal place.Image transcription textCaffeine Concentration Coffee Brand(mg/cup) Eight O’clock 140 Caribou195 Kickapoo 155 Starbuc… Show more… Show moreQuestion 23 options: Question 24 (0.25 points) What if a thirteenth brand of coffee was added to the data set in the previous problem?  Death Wish is one of the world’s strongest coffees with caffeine concentration of 458 mg/cup.  How would this affect the standard deviation?Question 24 options: Question 25 (0.25 points) The dot plot below displays the high temperature (°F) of the day for all 31 days in March 2017.  When comparing Baltimore’s and San Diego’s high temperatures, which city has a smaller standard deviation?Question 25 options: Baltimore San Diego Cannot determineQuestion 26 (0.25 points) You are examining the wait time for help with rebooking tickets with major airline’s phone service.  What would a large standard deviation of wait times mean?Question 26 options: The wait times for rebooking tickets are exaclty the same for every customer. Customers waited a very long amount of time. The wait times for rebooking tickets are not very similar to one another.  Some customers waited a lot longer than others or a lot less than other customers. The wait times for rebooking tickets are very similar to one another.  Customers waited nearly the same amount of time.Question 27 (0.25 points) National Weather Service reports the annual snowfall in Juneau Alaska to have a mean of 86 inches with a standard deviation of 8.5 inches.  Assuming the distribution is bell-shaped, how much annual snowfall can about 95% of years in Juneau expect to have?Question 27 options: Between 77.5 inches and 94.5 inches Between 80 inches and 100 inches Between 69 inches and 103 inches Between 60.5 inches and 111.5 inchesQuestion 28 (0.25 points) National Weather Service reports the annual snowfall in Juneau Alaska to have a mean of 86 inches with a standard deviation of 8.5 inches.  Assuming the distribution is bell-shaped, what percent of years will have an annual snowfall less than 77.5 inches?Question 28 options: 2.5% 16% 86% 10%Question 29 (0.25 points) According to the Arkansas Waterfowl Report an average of 1.2 million ducks migrate through the state yearly with a standard deviation of 0.2 million ducks. Assuming the distribution is bell-shaped, what percent of years would there be between 1.4 and 1.6 million ducks migrating through Arkansas?Question 29 options: Question 30 (0.25 points) In 2019, College Board reported that the mean score for the math section of the SAT was 528 with a standard deviation of 110. A math department at local university would like to give a scholarship to any student that scored in the top 2.5% of students in the math section.  What is the minimum score needed to get this scholarship?  Assume the scores are normally distributed.Question 30 options:   Math Statistics and Probability MATH 153 Share QuestionEmailCopy link Comments (0)