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The probability that a subject has a certain stomach bacteria is 0.85, the probability that a subject is showing signs of gastritis is 0.10, and the probability that a subject both has the bacteria and shows signs of gastritis is 0.08.
If a subject has the stomach bacteria, what is the probability that they show signs of gastritis?
The one-way commuting times from home to work for all employees working at a large company have a bell-shaped curve with a mean of 33 minutes and a standard.
consider the experiment of selecting a playing card from a deck of 52 playing cards. each card corresponds to a sample
At 0.01 significance level is it sensible to conclude that modification reduced number of traffic accidents?
Create the box plot to represent data. Explain the distribution. Ensure to recognize the first and third quartiles and median.
A survey was carried out to find the salaries for technicians working in maintenance at Atlanta International Airport. The number of years spent in education was recorded as was their yearly salary. Below in the table are the results for this surv..
A check of dorm rooms on a large college campuses revealed that 38% had refrigerators, 52 percent had TVs and 21 percent had both a TV and a refrigerator. What's the probability that a randomly selected dorm room has.
We are doing a team project for our statistics class and our project is about "Math Anxiety". We are stuck on one question and the questions is "the teams will state the null and alternative hypotheses
Assume the standard deviation of the distribution is 2.5pounds, what is the probability that the mean of a sample of 55 families is between 17 and 18 pounds.
Paper consumption. The histogram shows the 2004 per capita consumption of paper for 195 countries around the world (in kg per person per year).
He has only $66 to spend and the office has room for no more than 60 square feet of cabinets. (Find the Objective Function and the Constraints; Let Cabinet A be "x", and Cabinet B be "y") How many of each can be bought to maximize storage capacity..
Assuming four years for a college degree and a straight-line regression of y=total earnings on x=number years of education, what is the slope?
For the observations- 6,3,2,7,6,5,8,9,8,11 - verify that the sample mean, trimmed mean and median are X¯ = 6.5, X¯t = 6.7 and M = 6.5.
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