New Release Applied-Probability-and-Statistics Exam Questions- WGU Applied-Probability-and-Statistics Dumps

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

SectionObjectives
Topic 1: Probability Distributions- Continuous distributions
  • 1. Normal distribution
    • 2. Standard normal and z-scores
      - Discrete distributions
      • 1. Poisson distribution (introductory use cases)
        • 2. Binomial distribution
          Topic 2: Statistical Inference- Estimation
          • 1. Confidence intervals for means and proportions
            - Hypothesis testing
            • 1. t-tests and z-tests (basic application)
              • 2. Null and alternative hypotheses
                Topic 3: Descriptive Statistics- Data summarization
                • 1. Measures of variability (range, variance, standard deviation)
                  • 2. Measures of central tendency (mean, median, mode)
                    - Data visualization
                    • 1. Histograms and frequency distributions
                      • 2. Box plots and interpretation
                        Topic 4: Probability- Fundamental probability concepts
                        • 1. Events and sample spaces
                          • 2. Conditional probability and independence
                            - Probability rules
                            • 1. Bayes’ theorem (introductory level)
                              • 2. Addition and multiplication rules
                                Topic 5: Regression and Correlation- Relationship analysis
                                • 1. Correlation coefficient interpretation
                                  • 2. Simple linear regression basics

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                                    WGU Applied Probability and Statistics (FZO1 C955) Sample Questions (Q51-Q56):

                                    NEW QUESTION # 51
                                    Probability of exactly 1 head in 2 coin flips = ?

                                    Answer: D

                                    Explanation:
                                    Two coin flips produce four equally likely ordered outcomes: HH, HT, TH, and TT. Exactly one head occurs in two of these outcomes: HT and TH. Therefore, the probability is 2 favorable outcomes out of 4 total outcomes, or 2/4 = 1/2. This can also be computed using the binomial model. There are n = 2 independent trials, success probability p = 1/2, and exactly one success is required. The binomial calculation is C(2,1)(1/2)