The distribution of total body protein in adult men with liver cirrhosis is approximately Normal with mean 9.8 kg and standard deviation 0.1 kg. Twenty-five percent of adult men with cirrhosis have...
The distribution of total body protein in adult men with liver cirrhosis is approximately Normal with mean 9.8 kg and standard deviation 0.1 kg. Twenty-five percent of adult men with cirrhosis have...
In a recent survey, 15 people preferred milk, 27 people preferred coffee and 18 peoplepreferred juice as their primary drink for breakfast. If a person is selected at random, find theprobability that...
The probability that sue will live on campus and buy a new car is 0.34. If the probability that she will live on campus is 0.53, find the probability that she will buy a new car, given that she lives...
Not sure how to do probability problems so I need help with them!
10. The following data represent the scores of a sample of 50 randomly chosen students on a standardized test. 39 48 55 63 66 68 68 69 70 71 71 71 73 74 76 76 76 77 78 79 79 79 79...
Please consider the following statement: “If the decision is to reject a null hypothesis, then we have certainty that the null hypothesis is false.” Please indicate whether this statement is true...
A paper summarized a regression of y = percentage of pups in a capture on x = percentage of CPV prevalence among adults and pups. The equation of the least-squares line, based on n = 10 observations,...
Four red cards and four green cards are well shuffled. Cards are drawn, without replacement, until the color of a card drawn matches the color of the first card drawn. Find the average number of cards...
The mean annual salary of school bus drivers is $26,000 with a standard deviation of $5,000. A) What is the probability of randomly selecting a single driver making under $25,000? I...
Per capita consumption of Spam in the US is Normally distributed with a mean of 2.3 pounds and a standard deviation of 0.9 pounds. Random sample of 20 people are chosen. Use the Central Limit Theorem...
Use Chebyshev’s Theorem to answer the following questions:
There were 50 students in session 1 of a STA 13 class last year (the total # of students was 519). In the final exam, the average score in session 1 was 56.3 and the standard deviation was 13.8. Construct...
A random variable x has a normal distribution in the 50th percentile for x is 5. What is the mean of x?
Let z be a standard normal random variable. Find P(0.48 < z < 2.3 and z > 1.9). I tried to do them both separately and then putting them together but I ended up with the wrong...
Five percent (0.05) of the parts produced by a machine are defective. Twenty parts are selected at random for study. A. what is the probability that 3 or fewer parts are defective? B...
A poll taken just prior today finds that 389 of 700 registered voters intend to vote for Jake Anderson for mayor. We want to test Ho: q=0.5 where q represents the proportion of all voters who intend...
It happens that a graduate student in theoretical/mathematical physics is looking for five members of his dissertation committee. He has been working closely with three professors in the mathematics...
Use the Confidence Interval formula above and calculate the 95% confidence interval for any population mean of your choice. Write down (invent) the sample size (be sure it is 30 or above), the sample...
The wall street journal surveyed 1,200 employees nation wide on the internet use at work. According to the survey 900 acknowledged surfing non-work related sited. set up a 95% confidence interval...
First use the range rule of thumb to make a rough estimate of the standard deviation of those scores. Possible scores range from 100 to 1200. Use technology and the estimated standard deviation to...