Basic Statistics :

The probabilities of passing Course A and Course B for David are 0.8, and 0.6, respectively. Assume that passing or failing a course

Basic Statistics :

What is the formula for finding the probability of Dependent events? 5 different numbers are drawn on separately on 10 different cards,

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Suppose Ari loses 40% of all chess games. (a) What is the probability that Ari loses two chess games in a row?

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Find the probability that when a single six-sided die is rolled, the outcome is 3. Find the probability that when a coin is tossed, the result is tails.

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ANOVA (stands for analysis of variance): Compares means between three or more variables, eg. Covid rates among five selected states.

Basic Statistics :

Conduct a Pearson correlation to determine the relationship between age and annual income.

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a. What is the probability of (1,1,1)? b. What is the probability of the sum being odd?

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The project is finished after completion of task F,G and H 1. Construct a PERT/CPM network for the project

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Problem: How do I calculate the standard deviation for each of these using Excel 2019?

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What is the probability that a randomly selected individual is an adult? What is probability that a randomly selected individual is a child and prefers chicken?

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What is the probability that all three taken balls are yellow? Round your answer to 2 decimal places. For example, for probability 0.5612, type 0.56.

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What is the probability that a random sample of forty nine students that are enrolled in only online courses has an average GPA greater than 3.20?

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Should a pre-test always be included in a true experiment? Why? Why Not? Why is random assignment important in true or randomized experiments?

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Create the multiple regression formula that predicts new accounts (x 100) based o two independent variables:

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What is the probability that more than one of the 15 samples taken per day will contain an excessive amount of pollutants?

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What is the mathematical and conceptual relationship between the covariance and correlation?

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For each scenario, tell me the type of test (one-sample z-test, one-sample t-test, independent samples t-test, paired t-test, confidence interval, one-way ANOVA

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whether there is a significant difference in exam scores depending on whether students live with family or friends what kind of statistical test would we use

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Estimate the means and standard deviations of the measure of the dependent variable in the treatment and control groups of the article

Basic Statistics :

Compare and contrast logistic regression and decision trees in relation to the (i) outputs these methods generate, (ii) the interpretability of the outputs

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If there is a prior rough estimate of p available at 0.32 while a 99% confidence level is needed, what is the minimum required sample size?

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If the arrival rate is 34 units per hour, and each customer takes 36 seconds on average to be served, what is the average # of customers in the line?

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Why do you think the results of your Chi-Squared Tests for the actual Dillard's data compared to the fictitious data are so different?

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Construct and interpret a 95% confidence interval demonstrating the difference in means for those individuals who drink alcohol