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1. Suppose you have 3 nickels, 2 dimes and 6 qtrs in your pocket. If you draw a coin ramdomly what is the probality that a. you will draw a dime ? b. you will draw a half dollar ? c. you will draw a qtr ?
2. you are rolling a pair of dice, one red and one green. what is the probability of the following outcomes. a.the sum of the two numbers you roll is 11 b. the sum of the two numbers you roll is 7 c. the sum of the two numbers you roll is 13
3. supposed you are drawing cards from a 52 card deck. what are the following probabilities a. you draw a card that is NOT the king of spades b. you draw 3 cards wich end up being the king of spades and the queen of diamonds and the queen of spades c. you draw 13 cards and not one of them is the king of spades.. please show the work..
4. Select a type of quantative data to collect from your own life. examples such as the # of people you see at work each 1/2 day, the # of call you get in the AM and in the PM or any other numeric data that you could split between AM and PM. PLease divide the day in 2 parts Am and PM and get the data on ONE of your example for each part. in a brief paper eaplain the data you collected. please have about 20 observations (2 for each day) Provide a description of the data collected and a table with the data you have collected. I will use this data for the next math problems.
The quality control engineer for a furniture manufacturer is interested in the mean amount of force necessary to produce cracks in stressed oak furniture.
What is the F critical value to be used at the 0.05 level of significance with 7 numerator degrees of freedom and 12 denominator degrees of freedom?
With standard deviation of 15. Test hypothesis that Mrs. Smith and Mrs. Jones are equally effective teachers. Use 0.10 level of significance.
a what is the probability that two is the lowest number thrown?b what is the probability that five is the highest
The machine will stop working if more than three components fail. Find the probability that the machine will be working.
The mean television viewing time for teens is 3 hours per day. Assume the population mean is 3 and the population standard deviation is known to be 1.2 hours.
given the function for x answer the following fx x10 4ltxlt60 otherwisea. determine the expected value of x.b. what is
A social psychologist reports that "in our sample, ethnocentrism was significantly higher (P
researcher a finds a significant relationship between increasing stress level and ability to concentrate. researcher b
Determine the coefficient of correlation and the coefficient of determination. please show your calculations. Interpret the results.
A hypothesis will test that two population means are equal. A sample of 10 with a standard deviation of 3 is selected from the first population and a sample of 15 with a standard deviation of 8 from the second population.
As a part of a class project, your statistics instructor asks you to weigh a sample of 100 items from a shipment of 500. You are testing the null hypothesis that the mean is greater or equal to 10 lbs.
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