Mathematics, 28.01.2021 19:30, mjasmine3280
The average age of three people running for election is 42. A forth person joins the race and the average drops to 40. What is the forth persons age?
A. 32
B. 34
C. 35
D. 36
E. 40
Answers: 3
Mathematics, 21.06.2019 17:00, nisazaheer
Determine the number of outcomes in the event. decide whether the event is a simple event or not. upper a computer is used to select randomly a number between 1 and 9 comma inclusive. event upper b is selecting a number greater than 4. event upper b has nothing outcome(s). is the event a simple event? (yes or no) because event upper b has (fewer than, exactly, more than) one outcome.
Answers: 1
Mathematics, 21.06.2019 18:00, justijust500
Ijust need to see how to do this. so you donβt have to answer all of them just a step by step explanation of one.
Answers: 3
Mathematics, 21.06.2019 18:20, nehaljay1883
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
The average age of three people running for election is 42. A forth person joins the race and the av...
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