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: 1+1+1+..+1e 572 2.

A:

Q: 24 25

A: The base of the triangle is 24. The hypotenuse of the triangle is 25. The triangle is right angled…

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: 5+45(669=

A: The given expression is 5+45669. Compute the value as follows.

Q: 25 25

A: From the given figure:     From the Pythagora's theorem:   Hypotenuse2=Perpendicular2+Base2

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: 16 27

A: The figure of the right triangle is given by To evaluate : The value of x

Q: 62 a,b,c

A:

Q: 6.1 10

A:

Q: 40 X

A:

Q: 6. 5

A:

Q: 36 14

A:

Q: 13

A:

Q: 1805

A:

Q: 74.1 6.

A:

Q: 16 I 25 3/5

A:

Q: 22+22+88/8=

A: Solution is given below:

Q: B. 264

A:

Q: 28 47

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: 72 44

A: Given: In the right-angle triangle, assume that the missing angle is y So we know that the addition…

Q: 3. Select the equivalent expression. * OA. 1 8-22 O B. 26 89 o20 Tr

A: use the property of exponents

Q: 60 6 30 V3/2

A: Topic:- trigonometry ratios

Q: 1 19. 2

A:

Q: 15 39

A:

Q: 3 xp- 3.

A:

Q: 2322

A: Explanation and solutions is given below....

Q: 20 . 35 60.

A: Given equation: 20=3560 Consider the missing term be 'x' 20x=3560 The objective is to find the value…

Q: 5.1 16

A:

Q: 100 50 YX

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