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Q1) An urn contains 12 balls identical in every respect except their colour. There are three red balls, seven green balls, and two blue balls. You draw two balls from urn, but replace first ball before drawing the second. Determine the probability that first ball drawn is red and the second ball drawn is green.
Q2) Ann is applying for bank loan to open a pizza franchise. She should first complete a written application and then, if written application is approved, be interviewed by bank officers. If applicant's written application is not accepted applicant is not granted interview with the bank officers. Past records for this bank illustrate that probability of applicant having his or her written application approved is 0.63. Records also point to that interviewing committee of bank officers approves 85% of individuals they interview. Determine probability that Ann's loan request is approved.
Q3) A restaurant menu has price-fixed complete dinner which consists of appetizer, entrée, beverage, and dessert. You have selection of 5 appetizers, 10 entrees, 3 beverages, and 6 desserts. How many possible complete dinners are possible?
the population mean of monthly wages of all college graduates under age of 30. Interpret your answer in the context of the problem.
Assume the population standard deviations are not the same. At the .05 significance level, is there a difference in the mean waiting time?
A test was conducted to find out whether gender of a spokesperson affected the likelihood that consumers would prefer a new product. A survey of consumers at trade show employing a female spokesperson determined that 70 out of 150 customers prefe..
The Type 1 error states the probability of being wrong whenever:
Create a 99% confidence interval for mean overall duration of symptoms in population of individuals who used zinc lozenges.
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.
What is the probability of obtaining 4 ones in a row when rolling a fair, six-sided die? Interpret this probability.
Test either there is any difference among the given variable also what does the Levene's Test shows. What variable is presented in this table.
For the 20 test scores shown, find the percentile rank for a score of 86.
At the 0.05 level of significance, is there evidence of a significant relationship between the age groups and where people primarily get their news? If so explain the relationship.
Give an example of a hypothesis test. State what the Null and the Alternative hypotheses.
The professor wishes to use a random-number table to determine which letter choice should correspond to the correct answer for a question.
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