What percent of students preferred iced tea?

It is known that, in a small town, 0.22 percent people are allergic to pollen and 0.2 percent people are allergic to nuts. Also, it is known that 0.49 percent of people are allergic to both pollen and nuts. What percentage of people in this town are not allergic to either pollen or nuts? (Write your answer in percentage points, for example, write 75 for 75%).

At a school several teachers were holding a contest to see which class could earn the most trivia points. Mrs.William's class scored 61 points. Mr. Adams class earned 48 points. Mrs. Brown's class earned 50 and Mrs.Daniel's class earned 50. Determine the mean, median, mode and range of the number of points scored.

If 200 subjects were studied and 120 of them expressed a preference for brand x, what percentage expressed a preference for brand x? Round to the nearest tenth percentage

Marvel movies - Kylie is a huge fan of Marvel movies. She finds an online poll that asks, "What is the best movie of the Marvel Cinematic Universe?" and saves the data. For a class project she wants to determine if the distribution of her classmates' favorite Marvel movies is different from the one published in the online poll. She surveys the 215 students in her statistics class. The table below contains the percentages reported by the online poll and the observed counts from her classmates. Report all calculated answers to 4 decimal places. Poll Observed Movie Percentage Count Captain America: The Winter Soldier 18.1% 34 Guardians of the Galaxy 14% 34 The Avengers 13.9% 32 Captain America: Civil War 11.4% 24 Iron Man 7.5% 20 Doctor Strange 3.7% 10 Other Marvel movie 31.4% 61

If 80% of Mars rovers land in former streambeds and 65% of the rovers in streambeds on Mars find historic evidence of water whereas 10% of the rovers not in streambeds do, what percent of Mars rovers find no evidence of water? Give as percentage without percent sign. Your Answer: Answer

Jason's city took a telephone poll about a plan to build a new hotel downtown. 850 people took the poll. 459 of them were in favor of the new hotel. What percentage of the people polled were in favor of the hotel? Write your answer using a percent sign (%).

In 2016 the Better Business Bureau settled 79% of complaints they received in the United States. Suppose you have been hired by the Better Business Burea to investigate the complaints they received this year involving new car dealers. You plan to select a sample of new car dealer complaints to estimate the proportion of complaints the Better Business Bureau is able to settle. Assume the population proportion of complaints settled for new car dealers is 0.79, the same as the overall proportion of complaints settled in 2016. Use the z-table. a. Suppose you select a sample of 200 complaints involving new car dealers. Show the sampling distribution of p. E(p) (to 2 decimals) (to 4 decimals) b. Based upon a sample of 200 complaints, what is the probability that the sample proportion will be within 0.05 of the population proportion (to 4 decimals)? probability : c. Suppose you select a sample of 430 complaints involving new car dealers. Show the sampling distribution of p. E(F) = (to 2…