Question
QUESTION 8 There are 8,000 students at the School of Management, UT Dallas. The average age of all the students is 24years with a standard
QUESTION 8
There are 8,000 students at the School of Management, UT Dallas. The average age of all the students is 24years with a standard deviation of 3years. A random sample of 36 students is selected.
Find a value, C, such that the probabilityof sample means being greater than C is 0.0075.
QUESTION 9
There are 8,000 students at the School of Management, UT Dallas. The average age of all the students is 24years with a standard deviation of 3years. A random sample of 36 students is selected.
Find a value, C, such that the probabilityof sample means being less than C is 0.5779.
QUESTION 10
There are 1000 employees in a firm,47% are female. A sample of 43employees is selected randomly.
Computethe standard error of the sample proportion.
QUESTION 11
There are 1000 employees in a firm,45% are female. A sample of 25 employees is selected randomly.
What is the probability that the sample proportion of females is less than 50%?
QUESTION 12
There are 1000 employees in a firm,45% are female. A sample of 25 employees is selected randomly.
What is the probability that the sample proportion of females is greater than 36%?
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