approximately 10.3% of american high school students drop out of school before graduation. assume the variable is binomial. choose nine students enteirng high school at random. find the probabilites. round the answers to at least four decimal places

Q: A student randomly guesses at 6 multiple choice questions. Find the probability that the student…

A: given data n = 6 mcq question 4 possible answers ∴ p( correct guess) = p = 14=0.25independent…

Q: Find the probability that the spinner stops on an odd number or a number greater than 10. P(an odd…

A: Let A denote the spinner stops on an odd number, B denotes the number greater than 10. The set of…

Q: You roll a 4 sided die 300 times. The following table lists the how many times each number came up…

A: Solution: Given information: k= 4 Categories  n= 300 Sample size

Q: You must make a choice between 4 different brands. Based on the data in the table, which brand has…

A: Brand Breaks within 6 Months Total A 1250 12,400 B 1375 7500 C 450 1400 D 84 230

Q: A quick quiz consists of a multiple-choice question with 5 possible answers followed by a true/false…

A: Given dataMultiple choice questions with 5 possible answers followed by a true and false5 possible…

Q: The probability that a spark plug is defective is 35%. Suppose that a person buys 7 spark plugs.…

A:

Q: 79% of all bald eagles survive their first year of life. Give your answers as decimals, not…

A: Given data: p =0.79 n =39

Q: 75% of all bald eagles survive their first year of life. Give your answers as decimals, not…

A: Given Information: 75% of all bald eagles survive their first year of life. i.e., p=0.75 If n=30…

Q: A single, six-sided die is rolled. Find the probability of rolling an even number or a number less…

A: It is given that a six-sided die is rolled. We have to find the probability of rolling an even…

Q: Suppose 4 coins are tossed. Find the probability of tossing no heads. (Round to - decimal places.)

A: Given 4 coins are tossed. We have to find the probability of tossing no heads.

Q: Latanya recorded the grade-level and instrument of everyone in the middle school School of Rock…

A: To calculate the probability, we first need to know the total number of outcomes. In this case, the…

Q: 2.) A population consists of six values (6, 9, 12, 15, 18, and 21). b. How many possible samples can…

A: The six values=( 6,9,12,15,18,21 )Number of items in the population = n = 6We can know the number of…

Q: PROBABILITY UPVOTE WILL BE GIVEN. PLEASE WRITE THE COMPLETE SOLUTIONS LEGIBLY. NO LONG EXPLANATION…

A: blood type proportion A 0.41 B 0.1 AB 0.04 O 0.45

Q: 2. Do athletes in different sports vary in terms of intelligence? Below are reported College Board…

A: In statistical inference, there are two ways of drawing an inference. These are test of significance…

Q: Find the complete possible outcomes and values of the given situation. Use table to represent the…

A: There are 8 purple balls. f= 8 The total balls are N= 10+9+8= 27

Q: Ellen has music practice three days a week. She practices for all of the three days 85% of the time,…

A: Let X be the number of Days she practices.

Q: d. Are the events Freshman and Live on Campus mutually exclusive? Why? Choose a number below 1. Yes,…

A: d. P(Freshman∩Live On Campus) =73920467 P(Freshman∩Live On Campus) =0.0361 3. No, since…

Q: What is the probability of rolling a 20-side number cube to a number that is a prime or even ? a-…

A: Probability = number of Favourable event/ total number of possible outcomes

Q: We are interested in analyzing data related to college football. Use S to denote the team is in the…

A: Given information- We have given that the probability of team is in the S = 5.5% So, the probability…

Q: The probability of winning on a slot machine is 3%. If the slot machine is played 200 times, find…

A: Probability of winning, p = 0.03. Number of trials, n = 200.

Q: A political candidate has asked you to conduct a poll to determine what percentage of people support…

A: Given,sample size(n)=470no.of who support the candidate(x)=370sample proportion(p^)=xn=370470

Q: Brian is a baseball player. In the last 20 baseball games he played, he scored the following runs:…

A: Brian is a baseball player. In the last 20 baseball games he played, he scored the following runs:…

Q: There are 10 students in a class, in which three are left-handed. If two students are chosen at…

A: From the provided information, Total students in class = 10 Three are left handed. Two students are…

Q: 2 questions.

A:

Q: The data represent the results for a test for a certain disease. Assume one individual from the…

A: We have to find given probability.

Q: Long or short? Put the names of all the students in your statistics class in a hat. Mix them up, and…

A: Given thatNumber of names drawn without looking, Y is the number of students whose last names have…

Q: A student takes a true-false test but did not study and randomly guesses each answer. There are 20…

A:

Q: Construct all random samples

A: Consider the given observations, 86, 89, 92, 95, 98 There are total 5 observations, so 3…

Q: *32. Diarrhea Vaccine. Acute rotavirus diarrhea is the leading cause of death among children under…

A: Given,n=1500p=0.80mean(μ)=npμ=1500×0.80=1200standard deviation(σ)=npqσ=1500×0.80×0.20σ=15.4919

Q: If the chocolate is too heavy, Zachwill need to pay Hershey's distributor a small overage fee. Test…

A: Given Information:  alpha value = 0.01 u = 0.16 oz

Q: In a group of 17 students, the score of 1, 2, 3, and 4 were given from the judges in a competition.…

A:

Q: COLOR THEME O ZOOM 13. Kiara is rolling an 1-6 number cube four times. What is the chance that she…

A: We are asked find the probability.

Q: Mateo has a 9-question chemistry quiz and did not have time to study. If each question is…

A: Let x follows binomial distribution with parameters n = 9 and p = 1/5 = 0.2   The pdf of binomial…

Q: A quick quiz consists of a true/false question followed by a multiple-choice question with 6…

A:

Q: Suppose that the genders of the three children of a certain family are soon to be revealed. Outcomes…

A:

Q: Find the probability of getting 6 face cards (king, queen, or jack) when 6 cards are drawn from a…

A: We have given that the 52 cards of a standard deck. Total face card = 12

Q: Decide which of these numbers could not possibly be probabilities. Explain your answers.…

A: Rules of Probability:The probability of an event must lie between 0 and 1, inclusive.The sum of…

Q: 3. Now, take your die and roll it 30 times. Create a table below to document each roll of the die.…

A: Given the experiment of rolling a die 30 times.

Q: A quick quiz consists of a true/false question followed by a multiple-choice question with 5…

A: Let us define some events A : the true/false questiom is correct. B : the multiple choice question…

Q: A pie chart reflects student performance... 16% As, 24% Bs, 32% Cs, 16% Ds, 12% Fs A. There were…

A: The give percentages of student performance in pie chart is 16% A's, 24% B's, 32% C's, 16% D's, and…