Q1. Find the circumference of the circle whose radius is (use = )
(a) 7.2 cm
(B) 15 mm...
Mathematics, 08.02.2021 16:40 brattymoo1009
Q1. Find the circumference of the circle whose radius is (use = )
(a) 7.2 cm
(B) 15 mm
Answers: 2
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The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%
Answers: 1
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The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3
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One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%
Answers: 1
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