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
Another question on Mathematics
Mathematics, 21.06.2019 19:00
What is the explicit formula for this sequence? -7, -4, -1, 2, a.) an = 8 + (b - 1)3 b.) an = -7 + (n - 1)3 c.) an = 3 + (n -1) (-7) d.) an = -7 + (n - )
Answers: 1
Mathematics, 22.06.2019 00:20
Jubal wrote the four equations below. he examined them, without solving them, to determine which equation has no solution. which of jubal’s equations has no solution hurry
Answers: 1
Mathematics, 22.06.2019 01:30
Amayoral candidate would like to know her residents’ views on a tax on sugar drinks before the mayoral debates. she asks one thousand registered voters from both parties. these voters are an example of a census population convenience sample simple random sample
Answers: 1
You know the right answer?
On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of...
Questions
Biology, 18.09.2019 09:30
Mathematics, 18.09.2019 09:30
Physics, 18.09.2019 09:30
Geography, 18.09.2019 09:30
English, 18.09.2019 09:30
Physics, 18.09.2019 09:30
English, 18.09.2019 09:30
Mathematics, 18.09.2019 09:30
Chemistry, 18.09.2019 09:30
Biology, 18.09.2019 09:30
Mathematics, 18.09.2019 09:30
