# Question: Let X denote the number of siblings of a randomly

Let X denote the number of siblings of a randomly selected student. Explain the difference between {X = 3} and P(X = 3).

## Answer to relevant Questions

Refer to Table 5.1, presented on page 185. a. List the possible samples without replacement of size 4 that can be obtained from the population of five officials. If a simple random sample without replacement of four ...When two balanced dice are rolled, 36 equally likely outcomes are possible, as depicted in Fig. 5.1 on page 187. Let Y denote the sum of the dice. a. What are the possible values of the random variable Y? b. Use ...Consider the events (not J), (H & I ), (H or K), and (H & K) discussed in Problem 11. a. Find the probability of each of those four events, using the f/N rule and your answers from Problem 11. b. Compute P(J ), using the ...In 1905, R. Pearl published the article “Biometrical Studies on Man. I. Variation and Correlation in Brain Weight” (Biometrika, Vol. 4, pp. 13–104). According to the study, brain weights of Swedish men are normally ...Given that 28.4% of all possible observations of the variable are less than 11, determine the area under the density curve that lies to the a. Left of 11. b. Right of 11.Post your question