3 years ago

Given a mean of 24.5 and a standard deviation of 1.7 what is the z score of the value 24 rounded to the nearest tenth?

1 answer:

3 0

The correct answer is B) -0.3

Z-scores are found using the formula

z = (X-μ)/σ

For this problem, we have

z = (24-24.5)/1.7 = -0.5/1.7 = -0.3

You might be interested in

I don't know what to do in this problem.

RUDIKE [14]

If you see that the temperature rose in the next 4 hours and the temperture was taken at noon so the answer would be D there was no change in temperature

5 0

3 years ago

95% of the students passed the math final exam. If 200 students take the final, how many students passed? Steps greatly apprecia

Anit [1.1K]

Answer:

190 students

Step-by-step explanation:

Set up a proportion:

95/100 = x/200

Cross multiply:

100x = 19000

Simplify:

x = 190 students

3 0

3 years ago

John goes out to eat at a local restaurant. The bill comes to $47.83. John want to leave a 20% tip. How much of a tip should he

valentina_108 [34]

$10.17 is the 20% tip amount

7 0

3 years ago

Read 2 more answers

Write an expression for the area of the rectangle below.

sesenic [268]

Answer: C

Step-by-step explanation:

1) Multiply (2x+8)(6x+2)

2) After you do the math you will get 12x^2+52x+16

REMEMBER: A= Length times width

5 0

3 years ago

SAT prep: Prove that 3x – 4 ( 5 – x ) is equivalent to 7x – 20

Alik [6]

3x -4 (5 - x) = 7x -20
3x-20+4x=7x-20
7x-20=7x-20

4 0

3 years ago