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Taranique loves to play the floating duck game at the carnival. For $2.00 per try, she gets to choose one duck out of 50 swimming in the water. If Taranique is lucky, she will pick one of the 8 winning ducks and go home with a pink teddy bear.
a) What is the expected value of the game for taranique if the value of the prize is $5.00?
An automobile manufacturer has a new model that they claim gets 27 miles per gallon. A consumer testing agency chooses 50 of these cars and finds that the sample mean is 25 miles per gallon and the sample standard deviation (s) is 3 miles per gall..
there is some evidence suggesting that you are likely to improve your test score if you rethink and change answers on a
Find the 90% confidence interval for the population mean of µ of all 6-years old girls and the Margin of error?
Create a frequency table and histogram for each of the numerical variables in this data set. Indicate whether each of these distributions is approximately symmetric or skewed. Which, if any, of these distributions are skewed to the right? Which, i..
Specify the competing hypotheses to test whether some differences exist in the mean long-term care costs in these five states.
So which of our two main political parties is more concerned with achieving broad happiness, and which party is more concerned with fulfilling selfishness?
They will test 50 students at the third-grade level. Find the mean and standard deviation of the number who may be deficient in vitamin D.
In Chinese-based economies guanxi plays a critical role in developing interpersonal relationships that underpin negotiations within business. It is defined as being ‘a concept of drawing on connections in order to secure favours in personal relati..
Choose a listed company starting with the first letter of your last name. For example, if your last name is Buffett then you may choose Bed Bath & Beyond Inc
test for single mean.according to one investigators model the data are like 400 draws made at random from a large box.
When would you use a two population test with a small sample size at your place of employment, in your education, or in politics?
the amount of time in minutes devuted to commercials on a tv channel during any half-hour program is a random variable
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