A standardized exam's scores are normally distributed. In a recent year, the mean test score was 1522 and the standard deviation was 315. The test scores of four students selected at random are 1960, 1240, 2200, and 1400. Find the z-scores that correspond to each value and determine whether any of the values are unusual. The z-score for 1960 is (Round to two decimal places as needed.)

Q: 3 -4- -0- 4. 2.

A:

Q: (4) y=x +4 -5 -4 -3 6.

A: The given equation is: y=x+4

Q: 1/3+2/9

A: Given 1/3 + 2/9

Q: (1-2=) dr

A:

Q: . 3류 - 2층 : 3% +4/3) 1

A:

Q: LCM 3 and 5

A:

Q: 7/2 + 3 4/6

A:

Q: 196. 2(n+1)

A:

Q: 9 – 4x > –3

A: The given inequality is 9-4x>-3

Q: 2 3 B={ A= 3 Find: A+B .B+A .A-

A:

Q: expand (a-b)7

A: The solution is given in the next step.

Q: 1 7. 27 2.

A:

Q: 9/12+3/24

A:

Q: 目 +8 LI +T 现 +04 +C4 |F|E|F|| ||||4 4 4 2 2

A:

Q: 9.2 2 15 5 3 16

A:

Q: 4(5+6)=

A: Given: 4(5+6)=

Q: 2(3+d-1)

A: Solve the given expression  given expression is 2(3+d-1)

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A: The data is provided with observed frequencies. Find expected frequency for each cell using the…

Q: (n + 4)3 =

A: Given query is to expand (n+4)3

Q: 7

A:

Q: (2) 4 2. 2. 2/3

A:

Q: 1 3 前Revie

A: ∠ABD=x°∠ACD=27°∠ABD and ∠ACD are in same segment.

Q: 14 1

A: Given triangle is What is another side length?

Q: 1) 6dx 3/3

A: ∫33361+x2dx=6∫33311+x2dx=6tan-1x333=6tan-13-tan-133=6tan-13-tan-113=6π3-π6=2π-π=π

Q: 11 –/7

A:

Q: (9, -7) (3, 1). Find 吕 ロ师仁 ?

A:

Q: Z4×Z6 has an element of order 24. true or false ?

A:

Q: いーx)dx

A:

Q: 3 power 3

A:

Q: 3(m – 5) + m

A: 3(m-5)+m=0 3m-15+m=0 add both side 15 we get 2m=15

Q: -5 4 -2 -7 -8 2.

A:

Q: (s - 3)5

A:

Q: Expand 2(c+ 3).

A: Distributive property states that if x,y and z are three real numbers then x(y+z)=xy+xz.

Q: 6(-3w+1/3)

A:

Q: W+7/8=6

A: The given equation is W +(7/8) = 6.

Q: 3(5x)

A: given: 3(5x)