(a)
The equivalent fraction of the decimal number 0.235 and the error to the nearest ten-thousand in the obtained result.
(b)
The equivalent fraction of the decimal number 0.515 in. and the error to the nearest ten-thousand in the obtained result.
(c)
The equivalent fraction of the decimal number 1.80 in. and the error to the nearest ten-thousand in the obtained result.
(d)
The equivalent fraction of the decimal number 2.420 in. and the error to the nearest ten-thousand in the obtained result.
(e)
The equivalent fraction of the decimal number 3.175 in. and the error to the nearest ten-thousand in the obtained result.
(f)
The equivalent fraction of the decimal number 2.860 in. and the error to the nearest ten-thousand in the obtained result.
(g)
The equivalent fraction of the decimal number 1.935 in and the error to the nearest ten-thousand in the obtained result.
(h)
The equivalent fraction of the decimal number 0.645 in. and the error to the nearest ten-thousand in the obtained result.
(i)
The equivalent fraction of the decimal number 0.480 in. and the error to the nearest ten-thousand in the obtained result.
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EBK MATHEMATICS FOR THE TRADES
- For unemployed persons in the United States, the average number of months of unemployment at the end of December 2009 was approximately seven months (Bureau of Labor Statistics, January 2010). Suppose the following data are for a particular region in upstate New York. The values in the first column show the number of months unemployed and the values in the second column show the corresponding number of unemployed persons. Months Unemployed Number Unemployed 1 1029 2 1686 3 2269 4 2675 5 3487 6 4652 7 4145 8 3587 9 2325 10 1120 Let x be a random variable indicating the number of months a person is unemployed. a. Use the data to develop an empirical discrete probability distribution for x (to 4 decimals). (x) f(x) 1 2 3 4 5 6 7 8 9 10 b. Show that your probability distribution satisfies the conditions for a valid discrete probability distribution. The input in the box below will not be graded, but may be reviewed and considered by your instructor. c. What is the probability that a person…arrow_forwardIn Gallup's Annual Consumption Habits Poll, telephone interviews were conducted for a random sample of 1014 adults aged 18 and over. One of the questions was "How many cups of coffee, if any, do you drink on an average day?" The following table shows the results obtained (Gallup website, August 6, 2012). Excel File: data05-23.xls Number of Cups per Day Number of Responses 0 365 264 193 3 4 or more 91 101 Define a random variable x = number of cups of coffee consumed on an average day. Let x = 4 represent four or more cups. Round your answers to four decimal places. a. Develop a probability distribution for x. x 0 1 2 3 4 f(x) b. Compute the expected value of x. cups of coffee c. Compute the variance of x. cups of coffee squared d. Suppose we are only interested in adults that drink at least one cup of coffee on an average day. For this group, let y = the number of cups of coffee consumed on an average day. Compute the expected value of y. Compare it to the expected value of x. The…arrow_forwardrounded to two decimal places at each calculationarrow_forward
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