Free Applied-Probability-and-Statistics Sample Questions and 100% Cover Real Exam Questions (Updated 158 Questions) [Q86-Q100]

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Free Applied-Probability-and-Statistics Sample Questions and 100% Cover Real Exam Questions (Updated 158 Questions)

Download Real WGU Applied-Probability-and-Statistics Exam Dumps Test Engine Exam Questions

WGU Applied-Probability-and-Statistics Exam Syllabus Topics:

Section	Objectives
Probability Theory	– Probability Distributions 1. Normal distribution 2. Binomial distribution basics – Fundamental Probability Concepts 1. Independent vs dependent events 2. Basic probability rules 3. Conditional probability
Statistical Inference	– Estimation and Confidence Intervals 1. Point estimates 2. Confidence interval interpretation – Hypothesis Testing (Introductory Level) 1. p-values interpretation 2. Null vs alternative hypothesis
Regression and Modeling	– Linear Relationships 1. Simple linear regression 2. Slope and intercept interpretation
Descriptive Statistics	– Single Variable Data Analysis 1. Data visualization (histograms, box plots) 2. Measures of central tendency (mean, median, mode) 3. Measures of dispersion (variance, standard deviation, range) – Two Variable Data Analysis 1. Outliers and relationships 2. Correlation 3. Scatter plots interpretation

NO.86 There are 20 men in a room whose heights are reflected in inches as 68, 70, 73, 67, 71, 68, 76, 70, 73, 66, 68,
69, 71, 74, 73, 72, 65, 60, 70, and 78 inches respectively.
What is the median of these data?

NO.87 Binomial expected value = ?

n × p

n/p

p/n

n + p

NO.88 Dataset: 3, 6, 9. Median?

NO.89 Correlation coefficient r = #0.5 #

Moderate negative linear relationship

Weak positive

Strong positive

No relationship

NO.90 Z-score formula = ?

(x # # )/ #

(x + # )/ #

x/ #

# / #

NO.91 Probability sum for all outcomes = ?

> 1

< 1

NO.92 There are 10 green, 20 yellow, and 15 purple marbles in a jar.
What is the probability of selecting 2 green marbles in a row and then 1 yellow marble, replacing the marble each time?

4/225

8/225

12/729

16/729

NO.93 Sample correlation r = 0 #

No linear relationship

Strong positive

Strong negative

Perfect correlation

NO.94 Probability of exactly 1 head in 2 coin flips = ?

1/2

1/4

3/4

NO.95 A single ball is drawn from an opaque bag that contains red, blue, and green balls. The probability of drawing a red ball is .3, and the probability of drawing a blue ball is .6.
What is the probability of drawing a green ball?

NO.96 A biologist is studying the relationship between plant species, species A, species B, and species C, and the average height of the plants.
How should this study be classified?

Categorical#categorical

Categorical#quantitative

Quantitative#quantitative

Quantitative#categorical

NO.97 In a game, a coin is tossed, and a spinner with 8 equal spaces numbered 1 through 8 is spun.
What is the probability of getting heads on the coin and a number less than 3 on the spinner?

1/8

1/4

1/2

3/8

NO.98 Two dice rolled, probability of both even = ?

1/4

1/2

1/3

1/6

NO.99 In a normal distribution, 95% of data lies within:

±2 SD

±1 SD

±3 SD

±4 SD

NO.100 There are 12 cell phone charging cords available at a store for purchase. The length of each charging cord in inches is reflected as 3, 3, 4, 6, 6, 6, 6, 7, 10, 10, 11, and 12, respectively.
What are the mean of these data?

New Applied-Probability-and-Statistics exam dumps Use Updated WGU Exam: https://www.real4dumps.com/Applied-Probability-and-Statistics_examcollection.html

Free Applied-Probability-and-Statistics Sample Questions and 100% Cover Real Exam Questions (Updated 158 Questions) [Q86-Q100]

WGU Applied-Probability-and-Statistics Exam Syllabus Topics:

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