The formula to calculate the z-score of a certain value is:
z = (x - (mean))/(standard deviation)
In this example, the x-value is 450, the S.D. is 100, and the mean is 500.
So, substitute these values into the formula.
z = (450-(500))/100
z=-50/100
z=-0.5
Therefore, the z-score is -0.5.
Answer:
15 pizzas
Step-by-step explanation:
- 3 pizzas=7 people
- 6 pizzas=14 people
- 9 pizzas=21 people
- 12 pizzas=28 people
- 15 pizzas=35 people
Answer:
x-10=15
Step-by-step explanation:
The if statement is always the hypothesis and the then statement is the conclusion
The answer is: (2 4/9 / 11) / 9 = 0.024691358
Answer:
2
Step-by-step explanation:
5 * 2 = 10
2 + 3=5
10/5 = 2
