Differentiate between the probability and non-probability sampling

Q: How do you graphically portray the probability distribution of a discrete random variable?

A: Probability Histogram: A probability histogram is the graph of a probability distribution that gives…

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given thatThe proportion of eligible voters in the next election who will vote for the incumbent is…

Q: What is the probability that a z-score will be 0.92 or less?

A: The objective of this question is to find the probability that a z-score will be 0.92 or less. In…

Q: What probability distribution might you use to describe the number of COVID19 infections per…

A: The Poisson and Binomial distributions are the discrete probability distributions. Whereas, the…

Q: The mean percent of childhood asthma prevalence in 43 cities is 2.06%. A random sample of 34 of…

A: Let X be the random variable from normal distribution with mean (μ) = 2.06% and standard deviation…

Q: The cumulative distribution function can be illustrated by using a simple probability structure.

A: True

Q: Suppose that a box contains 8 cameras and that 3 of them are defective. A sample of 2 cameras is…

A: See the handwritten solution

Q: The probability of illness depends on the preventive healthcare investments made till that period…

A: The illness depends on the preventive healthcare investments made till that period. It also depends…

Q: A physician acquires measurements of serum-triglyceride level from a group of patients in order to…

A: Non-parametric tests are used when the type of underlying distribution followed by chosen variable…

Q: The travel time for a college student traveling between her home and her college is uniformly…

A: The travel time for a college student traveling between her home and her college is uniformly…

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A:

Q: True or false 1. if we use the same sample information to obtain a 95% confidence interval, the…

A: Given that To become an actuary, it is necessary to pass a series of 10 exams, including the most…

Q: The number of packages a business receives in a week is a random variable with a mean and variance…

A: Considering the variable "no. of received packages in a week" only assumes a distinct non-negative…

Q: Three items are drawn in randomly from a population of 7 items. The item drawn may be defective or…

A: Given, Three items are drawn in randomly from a population of 7 items. The item drawn may be…

Q: The combined probability distribution of two random variables is referred to as its marginal…

A:

Q: Business Weekly conducted a survey of recent graduates from the top MBA programs. On the basis of…

A: See the hand written solution

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Solution: From the given information, n = 410 and p = 0.527.

Q: What is the probability distribution function of the number prime numbers when a number between 1…

A: Solution: Given data; Prime  number  from 1 to 25,inclusive,  randomly selected. To find:…

Q: What is the probability that a randomly selected participant tasted peaches given that the…

A: Probability is the chance of occurrence of an event.

Q: About 78% of all female heart transplant patients will survie for at least 3 years. Sixty female…

A: From the provided information, Population proportion (p) = 0.78 Sample size (n) = 60

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A:

Q: A probability distribution for all possible value of a sample statistic is known as?

A:

Q: Write a definition of the negative predictive value (NPV) using conditional probability.

A: To write the definition of Negative predictive value using conditional probability.   Here we have…

Q: Suppose the amount of time a random customer spends in a grocery store is uniformly distributed…

A: Obtain the probability that a random customer will spend less than one hour in the grocery store.…

Q: What is the sampling distribution of x?

A:

Q: A sampling distribution is created by taking population values without replacing them to make each…

A: The distribution of statistic like mean, and standard deviation...is known as sampling Distribution.…

Q: The number of new customers per week is Poisson with mean rate 4. What is the probability of 2, 3,…

A:

Q: Why we cannot write the probability distribution for a continuous random variable?

A: A continuous random variable has a continuous statistical distribution. It can be stated as a…

Q: The mean number of typing errors in a document is 1.5 per page. Find the probability that on a page…

A:

Q: Construct the probability distribution for the random variable X which pertains to the number of…

A: Given: Three coins toss at the same time

Q: What is the probability that a Z-score will be 0.92 or less?

A: The objective of this question is to find the probability that a Z-score will be 0.92 or less. In…

Q: Using theoretical probabilty of randomly selecting option 6,7, or 8 for the first bar?  Theoretical…

A: It is given that the theoretical probability for selecting a number is 1/11.

Q: Illustrate the probability distribution if X is the random variable that represents the number of…

A:

Q: Suppose 2 dice are rolled, and suppose the discrete variable x counts the number of 3’s that show…

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Q: Business Weekly conducted a survey of recent graduates from the top MBA programs. On the basis of…

A:

Q: Compute the mean and standard deviation of the discrete probability distribution of the number of…

A: Obtain the mean of the discrete probability distribution of the number of heads in 100 tosses of…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.