Thirteen popular brands of beer are used in a blind taste study for consumer recognition. Complete parts (A) and (B) below.C(A) If 4 distinct brands are chosen at random from the 13 and if a consumer is not allowed to repeat any answers, what is the probability that all 4 brands could be identified by justguessing?Let the sample space S be the set of ways that the 4 distinct brands can be chosen from the 13 popular brands of beer. The number of elements in the sample space S is n(S) =(Type a whole number.)

It is given that, Total popular brands

Answered: Thirteen popular brands of beer are…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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80 percent of UNO students drive to campus. Which is more likely (a) Out of 10 randomly selected UNO students, exactly 5 drive to campus (b) Out of 20 randomly selected UNO students, exactly 10 drive to campus.
How many permutations of three items can be selected from a group of six? Use the letters A, B, C, D, E, and F to identify the items, and list each of the permutations of items B, D, and F. (Enter your answers as a comma-separated list. Enter three unspaced capital letters for each permutation.) Simple random sampling uses a sample of size n from a population of size N to obtain data that can be used to make inferences about the characteristics of a population. Suppose that, from a population of 54 bank accounts, we want to take a random sample of four accounts in order to learn about the population. How many different random samples of four accounts are possible?
Assume that 900 births are randomly selected and 443 of the births are girls. Use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high.
A bowl contains 13 marbles of which 4 are red, 3 are white, and 6 is black. One marble is selected at random from the bowl and the color is observed. The possible outcomes are {red, white, black} Is each outcome equally likely? ? ◊ Which outcome is more likely? Select an answer P(White) = Give answer as a fraction.
A sample space contains seven simple events: E,, E,, ..., E,. Use the following three events-A, B, and C. B = {E, E, E, E;} c={E, E;} A = 4' List the simple events in the following. (Enter your answers as a comma-separated list.) not A
K rch Write out the sample space and assume each outcome is equally likely. Then give the probability of the requested outcomes. A man is shopping for a new patio umbrella. There is a 9-foot and a 12-foot model, and each is available in gray, forest green, and white. (a) He buys a 12-foot forest green umbrella. (b) He buys a 9-foot umbrella. (c) He buys a gray-colored umbrella. Write out the sample space. Choose the correct answer below. OA. {(9-foot, gray), (9-foot, forest green), (9-foot, white), (12-foot, gray), (12-foot, forest green), (12-foot, white)} OB. {(9-foot, 12-foot), (gray, forest green), (forest green, white), (gray, white)} OC. {(9-foot, gray), (9-foot, forest green), (9-foot, white), (12-foot, gray), (12-foot, forest green)} OD. Ø (a) He buys a 12-foot forest green umbrella. The probability is (Type an integer or a simplified fraction.) O t ... er (DELL) Time Remaining: 01:36:59 66°F @ 3 Next 2:27 PM 12/3/2022
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An experiment is performed where a 3-color spinner is spun and then a 4-sided die is rolled. The possible outcomes for each event are red (R), blue (B), and yellow (Y) for the 3-color spinner and 1, 2, 3, and 4 for the 4-sided die. Identify the sample space for this experiment.
A machine uses electrical switches that are known to have a 3% fail rate for each use. The machine uses three switches, and each switch is independent. (a) How many outcomes are there in the sample space? 8 (b) Let x = the number of failed switches in one run of the machine. How many possible values of x are there? 4 (c) What is the probability of exactly one switch failing in one run of the machine?. 0.0847 X There is more than one way for one switch to fail in one run of the machine. (d) If the probability of no switches failing is 0.912673 and the probability of all switches failing is 0.000027, then complete the probability distribution table for x. X p(x) 0.912673 0 Need Help? Read It 0.084681 1 ✓ 0.002619 2 0.000027 3
assume that 100 births are randomly selected. Use subjective judgment to describe the given number of girls as (a) significantly low, (b) significantly high, or (c) neither significantly low nor significantly high. 53 girls
the sample space listing the eight sample events that are possible when a couple has a 3 children is?
K In a large clinical trial, 395,956 children were randomly assigned to two groups. The treatment group consisted of 198,649 children given a vaccine for a certain disease, and 27 of those children developed the disease. The other 197,307 children were given a placebo, and 107 of those children developed the disease. Consider the vaccine treatment group to be the first sample. Identify the values of n₁. P₁, 9₁. n2. P2, 92, P. and q. n₁ 11

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