College Statistics, Intro
posted by Chelsea
A worker for the American Red Cross wants to predict the average number of blood donations of college students. He takes a random sample of 900 students. But then he is puzzled and asks you:
" In my sample most of the students have zero donations and the percentages go down as the number of donations goes up. It does not sound look anything like a Normal distribution, so how can I use a Normal distribution in making my prediction?"
Respond to this Question
Similar Questions

MathStatistics
A marketing research company needs to estimate which of two soft drinks college students prefer. A random sample of n college students produced the following 98% confidence interval for the proportion of college students who prefer … 
statistics
In the past a certain college has found that 35% of the students will grad within 4 years. A random sample of 450 students at this college is taken and going to be followed until graduation. A. What is the sampling distribution of … 
statistics
To determine how many hours per week freshmen college students watch television, a random sample of 225 students was selected. It was determined that the students in the sample spent an average of 35 hours watching TV per week. The … 
statistics
In a random sample of 112 State College students, 41 students reported being current smokers. a) Calculate the 95% confidence interval for the proportion of State College students who smoke. 
statistics
In a random sample of 112 State College students, 41 students reported being current smokers. a) Calculate the 95% confidence interval for the proportion of State College students who smoke. 
Statistics
From random sample of 200 college students, 40 students indicated that they smoke cigarettes. Use the information from the sample to calculate a 95% confidence interval for the population proportion of college students that smoke cigarettes … 
Statistics Math
1. What type of car is more popular among college students, American or foreign? 
Statistics
A poll was taken of a random sample of 1189 college students. Of these students, 789 reported that they had a drinking binge (more than 10 drinks in an evening) in the past month. Select the most believable conclusion. A. About 66.358% … 
statistics
suppose that 70% of all college students love math. in a random sample of 8 college students, let x be the number of students who love math.find p(x=6) 
Statistics
How do you find the pvalue??? Thanks! In the past, 35% of the students at ABC University were in the Business College, 35% of the students were in the Liberal Arts College, and 30% of the students were in the Education College. To