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CCSS.Math.Content.HSS.ID.A.4

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CCSS.Math.Content.HSS.ID.A.4
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

To test a claim about a mean, when the population standard deviation is unknown we use:

z procedures
Pythagorean Theorem
t procedures
np > 10 and n(1-p) > 10

Tags

CCSS.Math.Content.HSS.ID.A.4

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the Normal Range of the annual precipitation for Phoenix, if the average is 29 with a standard deviation of 3?

26-32
3-29
26-29
39-32

Tags

CCSS.Math.Content.HSS.ID.A.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

μ = 350 , σ = 20 , find P(X > 400)

0.0062
0.9938
0.4013
0.5987

Tags

CCSS.Math.Content.HSS.ID.A.4

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the the total area under the standard normal distribution curve?

100
25
.5
1

Tags

CCSS.Math.Content.HSS.ID.A.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an Oreo factory, the mean mass of a cookie is given as 40 g. For quality control, the standard deviation is 2 g. If 10 000 cookies were produced, how many cookies are within 2 g of the mean?

6800

9500

3200

9750

Tags

CCSS.Math.Content.HSS.ID.A.4

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The shelf life of a particular dairy product is normally distributed with a mean of 12 days and a standard deviation of 3 days.

About what percent of the products last between 12 and 15 days?

68%
34%
16%
2.5%

Tags

CCSS.Math.Content.HSS.ID.A.4

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Which interval shows 99.7% of the data given a mean of 15 and a standard deviation of 3? 

9 to 21
12 to 18
6 to 24
13 to 16

Tags

CCSS.Math.Content.HSS.ID.A.4

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