which of the following is correct about a probability distribution?
Homework Answers
All the following is correct:
Sum of all possible outcomes must equal 1
Outcomes must be mutually exclusive
Probability of each outcome must be between 0 and 1 inclusive
Which one of the following is a correct statement about the probability distribution of a t...
Which one of the following is a correct statement about the probability distribution of a t random variable? explain the right choice Answers: a. The mean and standard deviation can be any number. b. The mean is zero but the standard deviation is less than 1. c. The mean is zero but the standard deviation is greater than 1. d. The mean is zero and the standard deviation is 1.
Which of the following is not a characteristic of the normal probability distribution? Note: The question...
Which of the following is not a characteristic of the normal probability distribution? Note: The question is about normal distribution; not about standard normal distribution. A.) The distribution is symmetrical B.) The standard deviation must be 1 C.) The mean of the distribution can be negative, zero, or positive
Which of the following statements is CORRECT about the sampling distribution of the sample mean: A....
Which of the following statements is CORRECT about the sampling distribution of the sample mean: A. The standard error of the sample mean is a measure of the frequency among repeated samples. B. The standard error of the sample mean will decrease as the sample size increases. C. The standard error of the sample is completely unrelated to the sample size. D. The standard error of the sample mean will increase as the sample size increases.
The kurtosis of a probability distribution is 2, per Microsoft Excel. Which of the following characterizations...
The kurtosis of a probability distribution is 2, per Microsoft Excel. Which of the following characterizations is correct? Group of answer choices The tails of the distribution are lighter than the normal distribution The tails of the distribution are similar to that of the normal distribution The tails of the distribution are heavier than the normal distribution The distribution is platykurtic
Which of the following statements about risk measures is correct? a. Beta is a measure of...
Which of the following statements about risk measures is correct? a. Beta is a measure of systematic risk, whereas standard deviation is the measure of total risk. b. Beta is a measure of total risk, whereas standard deviation is the measure of unsystematic risk. c. Beta is a measure of total risk, whereas standard deviation is the measure of systematic risk. d. Beta is a measure of total risk, whereas Standard deviation is the measure of systematic risk. e. Beta...
7 Which of the following statements are true about probability (more than one may be correct)?...
7 Which of the following statements are true about probability (more than one may be correct)? (5 pts) 2 a Can be determined both objectively or subjectively b. The law of large numbers only applies to objective probabilities c Al events in a statistical experiment must have a probability of occurrence d Every event in a statistical experiment has the same chance of occurring e Subjective probabilities follow the usual axioms of probability
In the following probability distribution
In the following probability distribution, the random variable represents the number of a part of a K to 5th grade student is involved in Complete parts (a) through (f) below.x01234P(x)0.2950.1050.2900.0540.248(a) that this is a discrete probability distribution. This is a discrete probability distribution because the sum of the probabilities is _______ and each probability is _______ b) Graph the discrete probability distribution. Choose the correct graph below.(c) Compute and interpret the mean of the random variable x.The mean is _______ activities.
Which of the following statements about the sampling distribution of the sample mean, x-bar, is not...
Which of the following statements about the sampling distribution of the sample mean, x-bar, is not true? The distribution is normal regardless of the shape of the population distribution, as long as the sample size, n, is large enough. The distribution is normal regardless of the sample size, as long as the population distribution is normal. The distribution's mean is the same as the population mean. The distribution's standard deviation is smaller than the population standard deviation. All of the...
proportion Which of the following is NOT a requirement of testing a claim about a population Choose the correct ans...
proportion Which of the following is NOT a requirement of testing a claim about a population Choose the correct answer below. O A. The conditions for a binomial distribution are satisfied O B. The sample observations are a simple random sample O C. The conditions np >5 and ng >5 are both satisfied. OD. The lowercase symbol, p, represents the probability of getting a test statistic at least as needed to test the claim
The logistic probability distribution uses which distribution? Linear distribution Curve-linear distribution t-distribution S-shape probability distribution
The logistic probability distribution uses which distribution? Linear distribution Curve-linear distribution t-distribution S-shape probability distribution
Which of the following statements about risk measures is correct? a. Beta is a measure of systematic risk, whereas standard deviation is the measure of total risk. b. Beta is a measure of total risk, whereas standard deviation is the measure of unsystematic risk. c. Beta is a measure of total risk, whereas standard deviation is the measure of systematic risk. d. Beta is a measure of total risk, whereas Standard deviation is the measure of systematic risk. e. Beta...
7 Which of the following statements are true about probability (more than one may be correct)? (5 pts) 2 a Can be determined both objectively or subjectively b. The law of large numbers only applies to objective probabilities c Al events in a statistical experiment must have a probability of occurrence d Every event in a statistical experiment has the same chance of occurring e Subjective probabilities follow the usual axioms of probability
Which of the following statements about the sampling distribution of the sample mean, x-bar, is not true? The distribution is normal regardless of the shape of the population distribution, as long as the sample size, n, is large enough. The distribution is normal regardless of the sample size, as long as the population distribution is normal. The distribution's mean is the same as the population mean. The distribution's standard deviation is smaller than the population standard deviation. All of the...
proportion Which of the following is NOT a requirement of testing a claim about a population Choose the correct answer below. O A. The conditions for a binomial distribution are satisfied O B. The sample observations are a simple random sample O C. The conditions np >5 and ng >5 are both satisfied. OD. The lowercase symbol, p, represents the probability of getting a test statistic at least as needed to test the claim
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