21 Which of the following do we have to check in order to determine if a random variable is binomial? the number of trials is unknown the trials are independent there are only 2 outcomes the probability is fixed the trials are dependent the random variable is counting the time to success there are a fixed number of trials there can be multiple outcomes the random variable is counting the number of successes the probability changes with each trial

Q: What is the probability that a randomly selected student chose to be rich and telepathy? What is the…

A: we know that ,P(A∩B)=n(A∩B)N

Q: 19. Flip five unfair coins where, for each coin, P(H) = 0.35 and P(T) = 0.65. Let X be the total…

A: Let p be the probability of getting head. Given that p = P(H) = 0.35 And X denotes the total number…

Q: 44 cupcakes 14 chocolate 16 yellow and 14 lemon what is the probability of selecting a lemon cupcake…

A:

Q: In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be drawn in…

A:

Q: In order to win a small prize, you must roll an even number AND spin a blue. What is the probability…

A: Given that Sebastian play a game in which he has to use a die and spin the arrow on spinner. E be…

Q: A random variable is the set of possible outcomes of an experiment. Select one: O True False

A:

Q: How many combinations of three high-risk stocks could you randomly select from five high-risk…

A: (a) From the given information, the combination of three high-risk stocks are selected randomly from…

Q: 10:37 0.49 2 0.24 0.07 0.04 Describe the random variable Xin word. O Xis the number of total DVOS…

A: solution

Q: 2. There are three coins in a box. One is a two-headed coin, another is a fair coin, and the third…

A:

Q: (a) Find the joint probability distribution of W and Z. Select the correct choice below and fill in…

A: Solution Z is number of heads on first toss. So, the value of z can be 0 or 1. W is number of heads…

Q: Suppose you have a machine that randomly prints out tickets with numbers on them. 17% of the time…

A:

Q: In a class of students, the following data table summarizes how many students have a brother or a…

A: The data represent the number of students who has a brother or a sister.

Q: Games Many kinds of games people play rely onrandomness. Cite three different methods commonlyused…

A: The three different methods commonly used are 1)Rolling dice: Here we cannot predict what is the…

Q: What is the expected number of reds?

A: here given ,  In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be…

Q: What is the symbol we use to represent the mean of the random variable X-bar? Mu with subscript X Mu…

A: Here we need to choose from the correct option.

Q: Destination Weddings Twenty-six percent of couples who plan to marry this year are planning…

A: Given thatp = 26% = 0.26n = 3X ~Binomial(n, p) X ~ Binomial (3, 0.26)

Q: Using the total of all cases of gonorrhea, if you picked a random case from all the cases of…

A: The total number of cases of gonorrhoea in 2020 was .The total number of cases of gonorrhoea from…

Q: Giving a test to a group of students, the grades and gender are summarized below   A B C Total Male…

A: We have given that Giving a test to a group of students, the grades and gender are summarized below…

Q: The SHS program offered by randomly selected schools O The career choices of randomly selected SHS…

A: Variable means a notation that takes varying values. For example, X can denote a variable that can…

Q: Fill in the blank to make the statement correct.   When sampling without replacement, if…

A: Sampling without replacement is a method of random sampling where each member of a population can…

Q: Which one of the following best describes power? Group of answer choices The probability of…

A: Power of the test is related to hypothesis testing.

Q: About 40% of babies bom with a certain ailment recover fully. A hospital is caring for five babies…

A: This is the Binomial experiment. Because, in this experiment there are two possible events, one…

Q: In a certain town 10% of people commute to work by bicycle if a person is selected randomly from a…

A: From the given information, the probability of people commute to work by bicycle is 0.10. Then, the…

Q: QUESTIONS: 1. How many students does the teacher have? 2. What is the random variable in this…

A: Note: As per Bartleby’s guideline for more than three sub part only first three are to be answered…

Q: In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will be drawn in…

A: Given: In a box containing 8 red balls, 8 green balls and 8 blue balls where 3 balls will drawn in…

Q: standard deck of cards contains 52 cards one card is selected from the deck compute the probability…

A: select card from 52 card deck.    P(event) = no. of favorable outcomestotal outcomes

Q: e surveyed weather they took Physics, Biology or Chemistry. P - Physics B - Biology C - Chemistry A…

A: Given: n(only C) = 31 n(all) = 8 n(P and C  only) = 1 n(C and B only) = 6 n(total) = 180

Q: 5. Example. Consider the toss of three fair coins: • The sample space is • Define a few possible…

A: The sample space of tossing 3 fair coins is, S={HHH, HHT, HTH, THH, HTT, THT, TTH, TTT} n(s)=8

Q: Institute. 3 Three students scheduled interviews for summer employment at the Br In each case the…

A: The provided information is as follows:The total number of students who are scheduled for the…

Q: Five fair dice are rolled. What is the probability of rolling 4 sixes (that is, sixes on 4 of the…

A: Let n be the number of dice thrown  Let X be the number of getting 6  Let p be the probability of…

Q: A random number generator is used to select an integer from 1 to 200 (inclusively). What is the…

A: From the provided information, The sample space contains 200 elements (from 1 to 200 inclusively).…

Q: A B. C Total Male 4 11 3. 18 Female 6. 18 Total 11 17 8 36 If one student is chosen at random, Find…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: ½ ½ H T ½ H Head, Head ½ T ½ H ½ T Head, Tail Tail, Head Tail, Tail دام دام دام 1 14 This tree shows…

A: Given  Sample space=S={H,T}

Q: Match p=0.4, p=0.5, p%=0.7 with the correct g O A. (a) p=0.7, (b) p=0.4, (c) p= 0.5 O B. (a) p=0.5,…

A: we are given that the histogram represent binomial distributions where the binomial parameter p…

Q: The collection of all possible outcomes of a random phenomenon is called a the distribution O b the…

A: According to the given information We need to recognise the given definition

Q: Giving a test to a group of students the grades and gender or summarize below. If one student was…

A:

Q: јariable X 3D (1, 2, 4, X), be described a

A: To find: The difference between binomial and geometric random variable.

Q: 2.1-2. Let a chip be taken at random from a bowl that contains six white chips, three red chips, and…

A: It is required to find the pmf of X, and graph it as a bar graph.

Q: What conditions are necessary in order to use the dependent samples t​-test for the mean of the…

A: Necessary conditions for dependent samples in t-test, and for the difference in the means of two…

Q: None

A: Since we are trying to solve the number of ways we can take 2 out of a population of 6, we would…

Q: A container has 9 blue marbles, 6 red marbles, 7 green marbles, and 3 yellow marbles. A red marble…

A:

Q: In a town 2% of people have a certain genetic disorder. 80% of tests detect the disorder (true…

A:

Q: A lot of 75 washers contains 5 in which the variability in thickness around the circumference of the…

A: Given : population size, N = 75 number of successes in the population, m = 5…

Q: Simplified stock market. Suppose there are three kinds of days: GOOD, GREAT, and ROTTEN. The…

A: