Mathematics, 26.02.2020 00:37 Shathep
Suppose IQ scores are normally distributed with mean 100 and standard deviation 10. Which of the following is false?
a. A normal probability plot of IQ scores of a random sample of 1,000 people should show a straight line.
b. Roughly 68% of people have IQ scores between 90 and 110.
c. An IQ score of 80 is more unusual than an IQ score of 120.
d. An IQ score greater than 130 is highly unlikely, but not impossible.
Answers: 3
Mathematics, 21.06.2019 18:30
The height of a flare fired from the deck of a ship in distress can be modeled by h(t)= -2(8t^2-52t-28), where h is the height of the flare above water and t is the time in seconds. a. find the time it takes the flare to hit the water.
Answers: 1
Mathematics, 21.06.2019 20:20
Can some one explain this i got sent this. is this a threat i’m scared
Answers: 1
Suppose IQ scores are normally distributed with mean 100 and standard deviation 10. Which of the fol...
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