Mathematics, 04.12.2021 06:30, Huvch7255
On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 106 and a standard deviation of 14. Suppose one individual is randomly chosen. Let X = IQ of an individual.
a. What is the distribution of X? X ~ N(,)
b. Find the probability that a randomly selected person's IQ is over 107. Round your answer to 4 decimal places.
c. A school offers special services for all children in the bottom 7% for IQ scores. What is the highest IQ score a child can have and still receive special services? Round your answer to 2 decimal places.
d. Find the Inter Quartile Range (IQR) for IQ scores. Round your answers to 2 decimal places.
Q1:
Q3:
IQR:
Answers: 3
Mathematics, 22.06.2019 00:00, carterhoward
What is the distance from (–3, 1) to (–1, 5)? round your answer to the nearest hundredth. (4 points) a. 3.60 b. 4.12 c. 4.47 d. 5.66
Answers: 1
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