study of pain relievers,  100  people were given product A, and  75  experienced relief. In the same study,  25  people were given product B, and  16

After the premiere of the new comedy Bumblebee, moviegoers were asked in a quick poll whether they liked the movie. Out of 100 adults, 65 said they liked the movie, whereas out of 20 teenagers, 14 said they liked the movie. Fill in the blanks below to make the most reasonable statement possible. At the movie premiere, (Choose one) ▼moviegoers liked the movie more. That is because only % disliked the movie, whereas % of the (Choose one) v moviegoers disliked the movie.

The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.

A report just came out that stated that 24.4%  of all Americans say that vanilla is their favorite ice cream,  22.7% say that chocolate is their favorite, 8.4% favor butter pecan, 9.1% favor strawberry, and the rest have other favorites. An ice cream shop owner thinks that her customers are not like the rest of America.  The table below shows the results of 995 of her patrons' ice cream selections. What can be concluded at the αα = 0.05 significance level? Complete the table by filling in the expected frequencies.  Round your answers to the nearest whole number. Outcome Frequency Expected Frequency Vanilla 248   Chocolate 230   Butter Pecan 79   Strawberry 101   Other 337   The degrees of freedom = _____ The test-statistic for this data = _____ (Please show your answer to three decimal places.) The p-value for this sample = _____(Please show your answer to four decimal places.)

The two-way table below reflects the responses from a group of middle and high school students regarding cell phones. What is the best interpretation of the number "25" in the table? would It be  There are 25 people have a cell phone 25% of the people are 10 to 12 year old's Out of all 170 people surveyed, only 25 have a cell phone or There are 25 ten to twelve year old's that have a cell phone

An apple a day keeps the doctor away. A physical education teacher at a high school wanting toincrease awareness on issues of nutrition and health asked her students at the beginning of the semesterwhether they believed the expression “an apple a day keeps the doctor away”, and 40% of the studentsresponded yes. Throughout the semester she started each class with a brief discussion of a study highlightingpositive effects of eating more fruits and vegetables. She conducted the same apple-a-day survey at the endof the semester, and this time 60% of the students responded yes. Can she used a two-proportion methodfrom this section for this analysis? Explain your reasoning.

A certain affects virus 0.8% of the population. A test used to detect the virus in a person is positive 88% of the time if the person has the virus (true positive) and 13% of the time if the person does not have the virus (false postive). Fill out the remainder of the following table and use it to answer the two questions below.  (enter answer with no commas, i.e. as 1000 not 1,000.)     Infected Not Infected Total Positive Test [a] [b] [c] Negative Test [d] [e] [f] Total 800 99,200 100,000 i) Find the probability that a person has the virus given that they have tested positive. (Round your answer to the nearest tenth of a percent and do not include a percent sign.)[g]_______ % ii) Find the probability that a person does not have the virus given that they test negative. (Round your answer to the nearest tenth of a percent and do not include a percent sign.)[h]________ %

When taking a 6 question multiple choice test, where each question has 5 possible answers, it would be unusual to get ____ or more questions correct by guessing alone.Give your answer in the box above as a whole number.

Suppose you are the manager of two beachfront hotels : The Palms and Golden Sands. You'd like to know if there is a difference in guest satisfaction between the two hotels. To investigate this, you conduct a survey and ask guests upon departure if they are likely to return to the hotel in the future. For The Palms, 163 out of 227 guests who were surveyed responded " yes ". For Golden Sands, 154 out of 262 guests responded "yes ". Answer the following questions. Round any numbers in your final answers to 2 decimals. 1) Calculate a 95 % confidence interval for the difference in satisfaction rates between The Palms and Golden Sands (Show work) 2) Use the critical value approach to test, at a 1% significance level, whether or not the guest satisfaction rates are different between the two hotels. What do you conclude ? (In your answer, show the steps involved with testing) 3) What is the p-value of your test in part 2?

In a study of pain relievers, 25 people were given product A, and 17 experienced relief. In the same study, 100 people were given product B, and 62 experienced relief. Fill in the blanks below to make the most reasonable statement possible. Product (Choose one) v performed worse in the study. That is because % failed to get relief with this product, whereas only % failed to get relief with Product (Choose one) v.