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Giving a test to a group of students, the grades and gender are summarized below. Round your answers to 4 decimal places.
Grades and Gender ABCTotalMale1614636Female43512Total20171148
If one student is chosen at random,
a. Find the probability that the student got a B:
b. Find the probability that the student was female AND got an "A":
c. Find the probability that the student was female OR got a "C":
d. If one student is chosen at random, find the probability that the student was male GIVEN they got an 'A':
Consider the Xbar charts shown below for two processes. The charts may OR may not have instances of special cause variation. Identify ALL violation(s) (if any) of the eight tests where statistical signals show that special cause variation is ind..
Referring to Problem, can the quality control manager conclude that the type of warranty problem is independent of the shift on which the alarm was manufacture.
in a bivariate regression which variable is the dependent variable and which one is the independent variable?what does
The dealer is required to stay with soft 18, 19, 20, or 21. For each possible up card, determine the probability that the ending value of the dealer's hand is 17, 18, 19, 20, 21, or broke.
Use the appropriate Poisson distribution to approximate the probability that five black balls are observed.
a company that produces an expensive stereo component is considering offering a warranty on the component. suppose the
1) On an exam there are 10 multiple choice questions. Each multiple choice question has four alternatives to choose from, of which only one is correct. A student can either be prepared or unprepared for the exam. Let us assume that it is equally like..
Find the empirical probability of an individual being born male - In the United States, more male babies are born than female. In 1998, 2,264,031 males were born and 2,187,419 females were born. Find the empirical probability of an individual bein..
Let market demand be given by Q( P) = 200 - P. Each firm's cost function is C(qi ) = 20qi , where i = 1, 2. Using the Cournot model, find each firm's output, profit, and price.
Find the probability that the investor makes money and receive a dividend.
three couples and two single individuals have been invited to a party. assume independence of arrivals to the party and
A company has two assembly lines, each of which stalls an average of 2.4 times per week according to a Poisson distribution.
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