A comprehensive survey released by a college reports that the true proportion of all students at the college who use drugs is 0.3. You survey 100 students in your dorm and record that the proportion of students who use drugs is 0.15. The proportion of all students at this college who use drugs is a ____________________ and the proportion of students who use drugs in your dorm is a ___________

I need help with 2, 3 and 6.

Approximately 29% of music lovers like Country Music. Of those who do, 96% do not have mild brain damage. What percent of music lovers like Country and do not have Brain Damage?

Solve using R calculator. Show all work.

Approximately 19% of music lovers like Country Music. Of those who do, 97% do not have mild brain damage.What percent of music lovers like Country and do not have Brain Damage?

If Study determines the difference an average salaries are so population of people with blue eyes and people with brown eyes is not significant than a population of blue are people in brown and people are ______ different salaries.

The sum of the Female category represents the number of _____ surveyed. ?

3190 You're a data analyst for an insurance company. You want to make sure that your employer is not over-paying for car repairs. To investigate this, you bring 31 different cars to two different garages, Bubba's Hubcap Heaven and Repair, and Merle's Motor Shop. Some of the cars need lots of repairs. Some of the cars need very few. By taking each car to both shops, we can directly compare the two sets of prices.  Before running your analysis, be sure to look at the data file and verify that each car requires a different amount of repairs, and that prices in one shop are correlated with prices at the other shop. That is, they're in the same ballpark. The question is whether one tends to charge more, on average, than the other. Your task is to use Excel to test the research hypothesis that prices are different in the two shops; the null hypothesis is that prices are equal between the two shops. You test at the alpha = 0.10 significance level. What do you conclude? Are prices the same?…

Of all the species in the world, 4 out of every 5 are insects. What percentage of species are insects? |%

Suppose there are 5 students in a room. The mean age is 19.8 years, and the median age is 19. If the youngest person leaves and is not replaced by another person, what happens to the mean and the median? O The mean and median increase. The mean increases, and the median either increases or stays the same. The mean increases, but it is impossible to determine whether the median increases, decreases, or stays the same. The mean increases, and the median stays the same. The median increases, and the mean either increases or stays the same.