Normal Probability Density

Normal Probability Density

Assessment

Interactive Video

Mathematics

1st - 6th Grade

Hard

Created by

Wayground Content

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the normal probability density often compared to in terms of its prevalence in nature?

Cosine wave

Sine wave

Tangent wave

Exponential function

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a discrete probability distribution, what must the sum of all probabilities equal?

Zero

One

Infinity

The number of outcomes

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key difference between discrete and continuous probability distributions?

Discrete distributions can take any value, continuous cannot

Continuous distributions can take any value, discrete cannot

Discrete distributions are always normally distributed

Continuous distributions are always normally distributed

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the mean and standard deviation of the standard normal distribution?

Mean of 0, standard deviation of 0

Mean of 1, standard deviation of 1

Mean of 0, standard deviation of 1

Mean of 1, standard deviation of 0

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When using standard normal distribution tables, what does the value represent?

The probability of the mean

The cumulative probability from that point to the right

The cumulative probability from that point to the left

The probability at that exact point

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main reason some tables do not include negative Z-values?

Negative Z-values are not relevant for most applications.

Negative Z-values are not used in statistics.

Negative Z-values can be derived from positive Z-values due to symmetry.

Negative Z-values are too complex to calculate.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a normal distribution with a mean of 100 and a standard deviation of 15, what is the probability of a value being less than 115?

0.8413

0.1587

0.5000

0.3413

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