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1. A group of volleyball players consists of four Grade-11 students and six Grade-12 students. If six players are chosen at random to start a match, what is the probability that three will be from each grade?
2. If a bowl contains ten hazelnuts and eight almonds, what is the probability that four nuts randomly selected from the bowl will all be hazelnuts?
3. If you simultaneously roll a standard dice and spin a spinner with eight equal sectors numbered 1 to 8. What is the probability of both rolling an even number and spinning an odd number?
4. A bag contains three green marbles and four black marbles. If you randomly pick two marbles from the bag at the same time, what is the probability that both marbles will be black?
5. What is the probability of rolling a total of 7 in two rolls of a standard dice if you get an even number on the first roll?
Twelve doctor's offices were given 3 lab inspections with the following results:
You have been asked to develop a study of the effects of watching Sesame Street on childrens' gender role orientations, intelligence, or sociability.
q1. dr. patton is a professor of english. recently she counted the number of misspelled words in a group of student
Use a 1% level of significance to test the claim that there are more calls during the night than in the day.
1. at a certain high school a random sample of 50 student are chosen for a free 10-week sat prep class they are given a
Find the 90% confidence interval for the variance and standard deviation if a sample of 15 has a standard deviation of 2.3. Assume the variable is normally distributed.
She randomly samples 67 CFOs and finds that 40 of them get their money news from newspapers. Does the test show enough evidence to reject the findings of Robert Half International? Use a = .05.
If two of totes don't conform to purity requirements, determine the probability that at least one of nonconforming totes is selected in sample?
Definition and Concepts of modern business statistics? What is the scope of business statistics. key terms and elements of business statistics?
Ailín is the recently appointed purchasing manager of firm manufacturing folding bicycles.
You are estimating the install hours for an electronics upgrade based on the number of components affected. The upgrade for which you are estimating affects 25 components. Given the following equation, select the correct response from each pair.
beverly mills has decided to lease a hybrid car to save on gasoline expenses and to do her part to help keep the
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