Question

In: Statistics and Probability

Calculate the number of combinations of 10 items taken 8 at a time.

Calculate the number of combinations of 10 items taken 8 at a time.

Solutions

Expert Solution

10C8 = 10!/(8! * 2!) = 45

                                                                                                 

                                                                             

                                                                                                                              

                                                                                    

                                                                         

                                                                                         

                                                                                                                       


Related Solutions

Calculate ?(? < 8) if: (i) ? is the number of distinctions reported in a year...
Calculate ?(? < 8) if: (i) ? is the number of distinctions reported in a year by 20 Colleges. Each College produces distinctions at the rate of 0.2 per year independently of the other Colleges. (ii) ? is the number of claims examined up to and including the fourth claim that exceeds K20,000. The probability that any claim received exceeds K20,000 is 0.3 independently of any other claim. (iii) ? is the number of deaths amongst a group of 500...
2 10 6 10 10 4 5 4 5 8 a) Calculate the range. b) Calculate...
2 10 6 10 10 4 5 4 5 8 a) Calculate the range. b) Calculate the variance. (Round to two decimal places as needed.) c) Calculate the standard deviation. (Round to two decimal places as needed.) 13 28 30 17 24 9 44 21 a​)Determine the 20th percentile. b​)Determine the 30th percentile. c​)Determine the 70th percentile.
Problem 10-8 Calculate the NPV at 8% and the IRR for the following projects. Round the...
Problem 10-8 Calculate the NPV at 8% and the IRR for the following projects. Round the answers to two decimal places. Use a minus sign to indicate a negative NPV. An initial outlay of $69,724 and an inflow of $15,000 followed by four consecutive inflows of $17,000. Do not round intermediate calculations. Round PVF and PVFA values in intermediate calculations to four decimal places. NPV $ IRR % An initial outlay of $25,424 followed by two zero cash years and...
Number of Components Inspection Time 31 83 14 49 8 30 17 60 15 50 10...
Number of Components Inspection Time 31 83 14 49 8 30 17 60 15 50 10 41 23 72 43 98 6 23 12 41 20 63 9 26 31 80 13 49 12 30 20 62 18 52 18 60 24 72 45 101 16 58 14 44 20 67 12 46 22 69 A lead inspector at ElectroTech, an electronics assembly shop, wants to convince management that it takes longer, on a per-component basis, to inspect large devices...
A manufacturer has tested the time taken to manufacture a fixed number of working components, measuring...
A manufacturer has tested the time taken to manufacture a fixed number of working components, measuring the times in units of 103 seconds. The resulting data values are shown in Dataset as a frequency distribution. Carry out an appropriate statistical test to determine if this data may be said to have a normal distribution. Identify any questions around identifying the number of degrees of freedom for the relevant test. Groups Frequencies 300 to 305 10 305 to 310 13 310...
Calculate the pH of a 2.30×10-8 M solution of HBr.
Calculate the pH of a 2.30×10-8 M solution of HBr.
A manufacturing machine has a 10% defect rate. If 8 items are chosen at random, what...
A manufacturing machine has a 10% defect rate. If 8 items are chosen at random, what is the probability that at least one will have a defect?
Calculate the price elasticity of supply for each of the following combinations of price and quantity...
Calculate the price elasticity of supply for each of the following combinations of price and quantity supplied, using the midpoint formula (arc elasticity). In each case, determine whether supply is elastic, inelastic, perfectly elastic, perfectly inelastic, or unit elastic. c. Price falls from $2.25 to $1.75; quantity supplied remains at 600 units. d. Price increases from $1.75 to $2.25; quantity supplied increases from 466.67 units to 600 units.
Calculate the pH of a solution that is 1.5 x 10^-8 M NaOH. This is a...
Calculate the pH of a solution that is 1.5 x 10^-8 M NaOH. This is a very dilute solution
1) The mean of 10 numbers is 8. If an 11th number is now included in...
1) The mean of 10 numbers is 8. If an 11th number is now included in the results, the mean becomes 9. What is the value of the 11th number? Produce an algebraic solution. Guess and check is unacceptable. 2) The ages of video renters at Kartye’s Quick Video last Saturday were as follows: 21 15 19 29 16 19 23 23 12 39 22 15 19 37 49 46 19 22 15 10 a) Compute the actual value of...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT