2) A sample of 150 strands of blue lights and 170 strands of red lights are taken from Holidays R Us. 8 strandsof red lights are defective, and 6 strands of blue lights are defective. If one strand of lights is randomly chosen,what is the probability that the strand of lights is good or red? Write the answer as a simplified fraction. Showyour work below.(Hint- make a table to help solve this probability.)P(good or red)Find the standard deviation for the given sample data. Round your answer to one more decimal place than is presentin the original data.3) Chris is currently taking college astronomy. The instructor often gives quizzes. On the past six quizzes, Chrisgot the following scores:40 12 39 29 19 42Standard deviationWhy?Is this a statistic or a parameter?Explain how you found the standard deviation.attachments (13)

Name: 2) A sample of 150 strands of blue lights and 170 strands of red ligh
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Description: 2) A sample of 150 strands of blue lights and 170 strands of red lights are taken from Holidays R Us. 8 strandsof red lights are defective, and 6 strands of blue lights are defective. If one strand of lights is randomly chosen,what is the probabilit

(2) Obtain the probability that the strand of lights is good or red. The probability that the strand…

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Statistics

2) A sample of 150 strands of blue lights and 170 strands of red lights are taken from Holidays R Us. 8 strands of red lights are defective, and 6 strands of blue lights are defective. If one strand of lights is randomly chosen, what is the probability that the strand of lights is good or red? Write the answer as a simplified fraction. Show your work below. (Hint- make a table to help solve this probability.) P(good or red)