Assume that adults have IQ scores that are normally distributed with a mean of 104.9 and a standard deviation 21.5. Find the first quartile Q₁, which is the IQ score separating the bottom 25% from the top 75%. (Hint: Draw a graph.) The first quartile is (Type an integer or decimal rounded to one decimal place as needed.)

Q: 54 22

A: Given figure,

Q: 18 43

A: Given,

Q: 5.78+9.1

A: We have given that,  5.78+9.1 We will find the addition of the given values?

Q: 1.5 6

A: We will write x as a linear combination of a and b as follows :

Q: 75 17

A: Given triangle is right angle triangle :

Q: 62 a,b,c

A:

Q: 6.1 10

A:

Q: 6. 5

A:

Q: 1805

A:

Q: 74.1 6.

A:

Q: 2. 7. 58

A:

Q: 707 55. 12

A: Consider the given expression as 70712

Q: 60.91-2.856

A: We want to find the value  60.91-2.856=?

Q: 1 19. 2

A:

Q: 5.1 16

A:

Q: 100 50 YX

A: From the given figure , we have to find angle x° and y°