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1. A card is drawn at random from a pack of cards. Let A be the event that the card is red and B be the event that the card is king. Does the colour of card affect its probability of being a king?
2. In an entrance examination in Mathematics and Statistics, of the 120 students appeared for the examination, 65 passed in Mathematics, 75 passed in Statistics and 35 passed in both the tests. A student is selected at random. What is the probability that the student has (a) failed in both the tests (2) (b) passed in Mathematics given that the student has passed in one test atleast.
United Airlines established a discount airline named Ted. The managers were interested in determining how flyers using Ted rate the airline service. They plan to question a random sample of flyers from the November 12 flights between Denver and Fo..
Health authorities in Savannah, GA reported that 22 injuries requiring hospitalization occurred in the city of 65,000 during St. Patrick's Day celebrations.. What was the prevalence rate of injuries requiring hospitalization on the holiday and fo..
The purpose of this project is to analyze the relationship between test scores, school characteristics, and student demographic backgrounds for the California school districts. The data are based on all the 420 K-6 and K-8 districts in California ..
Area to right of mean of normal probability distribution is?
the monthly incomes from a random sample of workers in a factory are shown below.monthly incomein
The average public elementary school has 450 students. assume the stand deviation of the distribution is 99. if a random sample of 36 public elementary schools is selected, find the probability that the number of students enrolled is between 445 a..
Create a contingency table similar to that in Figure 5.6 with the Admission Rank numbers as row titles and the Bed Count Rank numbers as the column labels.
For the headache side effect, compute the risk of experiencing a headache for each drug (separately).- The relative risk of a headache for Drug 1 compared to Drug 2.
The probability of getting 3 heads on 3 flips of a fair coin is p = 0.0125. What is the probability of getting at least one tail on 3 flips
statistics are tools which can hep business perform many business functions. please choose one of the following
Write a set of seven numbers with a mean of 50 and a standard deviation of 0. Is there more than one possible set of numbers? Explain.
it is decided to measure the resistance of sheets of a certain metal at temperatures x of 100k 200k 300k 400k and
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