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There are 10 questions on a true-false test. A student feels unprepared for this test and randomly guesses the answer for each of these.
a. What is the probability that the student gets exactly 7 correct?
b. What is the probability that the student gets exactly 8 correct?
c. What is the probability that the student gets exactly 9 correct?
d. What is the probability that the student gets exactly 10 correct?
e. What is the probability that the student gets more than 6 correct?
Determine new, standardized score for each of following values from original population.
In optimal solution, determine minimum time needed to complete project?
A certain firm specializing in the manufacture and sale of free time clothing has 80 retail stores in Florida and 140 in California. With each state as a stratum, the firm wishes to estimate average sick-leave time per employee for the past year
Suppose we randomly select two students from a mathematics class and asked whether the student selected each time is a member of a math-club or not. Write all the outcomes for this experiment. Draw the Venn and Tree diagrams for this experiment.
Discuss three measures of central tendency for the dependent variable. Is this distribution skewed? If so, in what direction? Explain your answer. Why would you NOT attempt to determine the central tendency of the independent variables?
Consider different types of qualitative data collection and analysis methods and the ways in which they can support business decision making and strategies.
In a standard normal dist. what is the prob. of getting a value less than 1.63? How about between 1.13 and 1.86? How about greater than .58?
An experiment with three outcomes has been repeated 50 times, and it was learned that E1 occured 20 times, E2 occured 13 times, and E3 occured 17 times.
At the .05 significance level, is there a difference in the mean number of calls per day between the two employees?
MATH1550H: Assignment: Questions: Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.
Make a List of type of possible errors. Assume that you were interested in knowing the mean score for a certain quiz in a statistics class.
For each of the following two scenarios/descriptions (pp.2), please select two responses, one to indicate the most appropriate test of inference
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