Consider the distribution below. Compute for the mean and variance. 10 20 30 40 50 P(x) 5% 5% 25% 20% 30% 15%
Q: box contains the letters A, E, U, G, R, T, F and L. Supposed Resty selects a letter from the box and...
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A: Given that Code size = 5 digit code The code contains digits = 9 ,4 ,3 ,1, and 0. Here...
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A: Given
Q: 19. If P(A) = 0.60, P(B) = 0.42, and P(A or B) = 0.88, then P(A and B) %3D %3D %3D %3D
A: Given P(A)=0.60P(B)=0.42P(A or B)=0.88
Q: die is rolled three times. What is the chance that at least one roll shows 1 spot?
A: Given, experiment:-if die rolled three times. then number of elements in sample space(S)=63=216
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Q: Suppose Z follows the standard normal distribution. Use the calculator provided, or this table, to d...
A: The random variable X follows normal distribution. It is given that, the probability mass function o...
Q: Four cards are drawn at random from a pack. Find the probability that they are a King, a Queen, a Ja...
A: Since we know that in standard pack of card there are 52 cards And in standard deck of 52 cards the...
Q: An instructor has given a short quiz consisting of two parts. For a randomly selected student, let X...
A: For the given data Find Correlation = ?
Q: There are 12 roads connecting 2 cities. In how many ways can Caloy drive from 1 city to another and ...
A: here use concept of total arrangement and combination
Q: If 2% of electric bulbs manufactured by a certain company are defective. Find the probability that i...
A: Solution-: We find, (i) P(less than 2 bulbs are defective)=? (ii) P(more than 3 bulbs are defective)...
Q: Activity: Challenge Me! Use the different step in answering the given problem.Consider all samples o...
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Q: Every week a company provides fruit for its office employees. They can choose from among five kinds ...
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Q: 3 and the the probability that player B scores a goal is 8 In a soccer game, the probability that pl...
A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a ti...
Q: Let X be the number of tails that turned up when two fair coins are tossed. What are the possible ou...
A: Solution-: Let, X -be the number tails that turn up When two fair coins are tossed what is possible ...
Q: A salesman is known to sell a product in 3 out of 5 attempts while another salesman in 2 out of 5 at...
A: Let, A be the first salesman is known to sell the product in 3 out of 5 attempts. B be the second sa...
Q: theoretical correction for a Pearson’s correlation that boosts the size of the correlation when vari...
A: The relation between the Spearman and Pearson correlations will give some information. Briefly, Spea...
Q: TOPIC: Permutation / Combination In a 4-digit combination lock, how many possible codes are there i...
A: The all-possible digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9.
Q: how many ways can a coach select a guards? starting five of one center, two forwards and two
A: here given , basket ball team consist of 2 centers 4 forward and four guard
Q: PlY) X: PCx) メ-N (x-My (x-ル)*. P(x) 1/7 16 g*- 2kの.Pe) す。
A: 1) The given data is , x p(x) 1 0.14285 6 0.14285 11 0.14285 14 0.14285 21 0.14285 ...
Q: 12. A supplier delivers an order for 20 electric töl electric toothbrushes are defective. What is th...
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Q: answer #11 #16 #19 only
A: Permutation arranging elements of a group in a particular order. npr = n!(n-r)! Combination arrangin...
Q: 23. How many even three digit numbers greater than 400 can be formed from 1, 2, 3, 4, 5, 6, 7, 8, an...
A: There are total 52 cards in a deck. There are 13 hearts and 4 queens in the deck. The probability ...
Q: A. P(5.4 < x < 12.3)- B. P(x = 7.2) = 1
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Q: miles Suppose that the speeds of cars travelling on California freeways are normally distributed wit...
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Q: Consider the situation below and determine whether the events are INDEPENDENT or DEPENDENT EVENTS th...
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Q: A fair coin is tossed three times. What is the probability of getting a) exactly two heads (b) at le...
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Q: Which of the following is the domain of a random variable? Choose the correct answer: a. set of whol...
A: Sample space Sample space is the set of all outcomes of a random experiment.
Q: Two different teams named A and B are asked to separately design a new product within a month. From ...
A: just look at the Venn- Diagram............
Q: What is the variance of the profit?
A: Here given, A contractor is considering a sale that promises a profit of ₱92 000 with a probability ...
Q: answer the question correctly it's very important and the question is complete .there is no More inf...
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Q: In how many ways can we seat 7 people at a round table with a certain 3 people side by side?
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Q: Scores on an endurance test for cardiac patients are normally distributed with mean of 185 and stand...
A: Given that, Scores on an endurance test for cardiac patients are normally distributed with mean of 1...
Q: Compute the mean of the following : 1. The following shows the grades in Mathematics of the 15 rando...
A: As per our guidelines we are suppose to answer only one question. Given data is ,85, 89, 85, 81, 86...
Q: What is the probability that 1 appears 2 times given that 1 appeared at least one time?
A: here , A die is rolled 3 times possible value that can be rolled using single die are 1,2,34,5,6 her...
Q: The data shown below for the dependent variable, y, and the independent variable, x, have been colle...
A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a...
Q: Suppose that 10% of the people in the world have at least 1% Neanderthal DNA. a. What is the probabi...
A: In the given problem, 10% of the people in the world have at least 1% Neanderthal DNA.
Q: this quiz to bring her overall quiz mark so far up to a passing grade. What is the probability that ...
A: here given, quiz contains 8 multiple choice question n=8 each question have 4 choices p= probabilit...
Q: A batsman for a particular cricket team has a 0.7 chance of having a good game and a 0.3 chance of h...
A: Given that p ( good ) =0.7 , p (bad ) =0.3 p(hit/good ) =0.8,p(hit/bad ) = 0.2 p(strong game/hit six...
Q: be repeated? 24. Suppose you find seven articles related to your research paper. In how many ways ca...
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Q: For numbers 10-12, Suppose you tossed two fair coins. 9. What are the sample spaces for the experime...
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Q: True or False? Var(Y|X = x0) = Var(Y).
A: We need to answer if: Var(Y|X=x0) = Var(Y) is true or False.
Q: A group of people were asked if they had run a red light in the last year. 496 responded "yes", and ...
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Q: Employees in 2012 paid 4.2% of their gross wages towards social security (FICA tax), while employers...
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Q: What is the probability that the accident occurred on either the evening or the graveyard shift?
A: It is given that P(evening) = (6 + 25)% = 31% = 0.31 P(graveyard) = (2 + 30)% = 32% = 0.32
Q: At a class, 80% are female and 40% of the students like swim. Of the students that like swim, 60% ar...
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Q: If x be a normal variate with mean 3 and variance 16, find the value of t such that P(3 <Xs t) = 0.4...
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Q: A garage has 2 mechanics and 5 service bays to house vehicles. Customers arrive on average every 3 h...
A: GivenThe number of mechanics in garage =2The number of service bays =5The average service time =2 ho...
Q: A developer of a new subdivision wants to build homes that are all different. There are five differe...
A: Given, no.of interior plans=5no.of exteriors plans=7
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- Find each percentage. Round the answers to 2 decimal places when necessary. a. 15%of60 b. 3% of 42.3 c. 72.8% of 120 d. 0.7% of 812 e. 42.6% of 53.76 f. 130%of212 g. 1212 of32 h. 14 of 627.3Using the data in Example 12, how much radon-222 will remain after one year?For a population with σ = 8, X=13 and a z-score = 2.21, find the value of µ
- Percentile ranks are closely tied to which of the following terms? a. Σf b. stem and leaf displays c. cumulative percentages d. ΣX find the final percent uncertainty after the calculation would be completed(just uncertainties , no calculations) a) A=(3.0m+or-8%)(2.0+or-5%) b) V=(4/3)pi(20.00cm+or-1%)^3 c) r=(27.00mm+or-2%)^1/2 d) A=(3.0m+or-0.1m)(2.0m+or-5%)Q10 MCQ The unemployment rate measures: the number of people unemployed divided by the number of people employed. unemployed workers as a percentage of the labor force. unemployed workers as a percentage of the population age over-sixteen. unemployed workers as a percentage of the population.
- At time “t” hours after taking the cough suppressant hydrocodone bitartrate, the amount A, in mg, remaining in the body is given by A = 10(0.82) 1. What was the initial amount taken? 2. What percent of the drug leaves the body each hour? ______ 3. How much drug is left in the body 6 hours after the dose is administered? (whole #)if the full capacity of a tank is 20 liters, and the tank is only filled with 16 liters, then what percent full is the tank? Show how you arrive at your answer.F. Solve the estimate interval of the population proportion.
- 1. The percent P of defective parts produced by a new employee t days after the employee starts work can be modeled by P(t) =t + 1810/50(t +2) Find and interpret the value P'(10). Round to the nearest hundredth.Using Y=b0+b1x, how much CO2 emission is expected in a state that is 30% democratHw 14 X~N(12,3) Find the 87.7 percentile X.
