From the letters {A, B, C, D, E, F. G}, how :many 3-distinct-letters codes can be (a) generated? (b) 3-distinct-letters codes that start with the letter E can be codes generated? (c) 4-distinct-letters an be generated if the order of the letters ?does not matter

Q: The following is a Time Series of Two Years (2019-2020) Seasons Year Sales 4-periods MA Q1 179…

A: The question is about time series analysis Given :

Q: If a person tests positive, what is the probability that the person actually has the disease?

A: Let us define some events A : a person has cooties. B : a person does not have cooties. E : a person…

Q: The stochastic variable X is the proportion of correct answers (measured in percent) on the exam in…

A: Solution

Q: d. Graph the model p = 0.89 t + 4.92 in the scatter plot. Does the line come close to the data…

A: Yes the line close to the data points

Q: Paul plans to assemble his own personal computer by himself. He tried to look for all possible…

A: Events are the possible observation can be happen in the experiment. If the two events occur…

Q: The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget…

A:

Q: esult of test 20000 electric bulbs manufactured by a company. It's found out the life of a bulb is…

A: Let us consider that X be a random variable that denotes the lifetime of a bulb with a mean life of…

Q: 4. Is there a significant difference in the DO of water after 6-month period at 0.05 level of…

A:

Q: b. Write the equation of the line of best fit. c. Predict the final grade given eight absences.…

A: The provided information is  Number of absences ((x) Final Grade (y) xy x2 0 97 0 0 1 97 97 1…

Q: The number of ants on a flower head is a random variable having the following distribution. 0 1 2 3…

A:

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A: It is given that margin of error (E) is 0.03 and the confidence level is 0.95.

Q: Assume that all grade-point averages are to be standardized on a scale between 0 and 4. How many…

A:

Q: A special deck of cards has 10 green cards, 12 blue cards, and 6 red cards. When a card is picked,…

A: Given data A special deck of cards has 10 green cards 12 blue cards and 6 red cards.

Q: What is the probability that a randomly selected person from the population tests positive?

A: Let us define some events A : a person has cooties. B : a person does not have cooties. E : a person…

Q: You are task to determine the number of respondents of a large population on a survey done by your…

A: Solution

Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…

A: The 17th percentile, P17, is the value that separates the bottom 17% from the top 83%.

Q: Let X₁, X₂, ..., X, be an independent identical random samp with a Rayleigh distribution with the…

A: 2. Factorization Theorem: The density function can be categorized into two functions, one function…

Q: Let X and Y be independent standard normal random variables. Determine the pdf of W = x² + y². Find…

A:

Q: A survey found that women's heights are normally distributed with mean 63.1 in. and standard…

A:

Q: Consider the following hypothesis test. Ho: M-42=0 Ha: M-₂0 The following information was obtained…

A: Introduction: The null and alternative hypotheses are as follows: H0: μ1 – μ2 = 0 versus Ha: μ1 – μ2…

Q: 3. The following were scores in a mathematics test selected by a teacher from all the test scores of…

A: Given data is 74,78,86,88,69,83,70,83,87,62,92,66,65,75,74,90,76,57,72,83sample size(n)=20

Q: A toothpaste industry conducted a survey on consumer preference in Laguna. The survey showed that…

A:

Q: Use the spinner below. 12 1 11 2 10 9 8 7 6 P(multiple of 3) = 5 3 4

A:

Q: In a series of ten tosses of two distinguishable dice A and B, the following faces are uppermost…

A: * ANSWER :-    From the given information the answer is provided as below ,

Q: For a standard normal distribution, find: P(z < -2.78)

A:

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

A:

Q: es are randomly selected with replacement. *** After listing the possible samples and finding the…

A: Given A genetics experiment involves a population of fruit flies consisting of 1 male named Albert…

Q: A seed manufacturer claims that in a particular variety sold by him there will be one white flower…

A:

Q: 1.6. From previous studies it was found that the average height of a plant is about 85 mm with a…

A: From the given information about the distribution of the height of the plants, it is interpreted…

Q: 1.4. Let X and Y be independent exponentially distributed random variables with parameter X λ = 1.…

A:

Q: a. P30 b. D4 C. P85 h d. D₁ i. e. P95 i. 1. 25% of the scores have a value less than or equal to 12…

A: From the given information we find the correct Option.

Q: question  (a) Draw an event tree and show on the event tree all the probabilities in branch points.…

A:

Q: A multiple-choice test consists of 9 questions. Each question has answer choices of a, b, c, and d,…

A: Givensample size(n)=9p=14=0.25                 (since each question has 4 choices and one of the…

Q: A jar contains 10 red marbles numbered 1 to 10 and 8 blue marbles numbered 1 to 8. A marble is drawn…

A: GivenA jar contains No.of red marbles numbered 1-10=10No.of blue marbles numbered 1-8=8Total no.of…

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: Required probability is P(Z&lt;-1.38)

Q: L. A group of environmental science students from the College of Science wished to determine an…

A: The species was wing length with a mean of 17.6 millimeters; μ=17.6 Students measured the wing…

Q: QUESTION 9 Question: Consider the following Cost payoff table ($): $1 $2 53 10 6 D₁ 15 33 D2 25 12…

A:

Q: If your credit card calculates interest based on 17.45% APR, compounded monthly: (a) What are your…

A:

Q: A study was conducted to determine the effect of a special diet on a person's cholesterol level. The…

A: Given:

Q: Pick a reasonable value for your independent variable to make a prediction of the dependent…

A: The data here relates to the a game of baseball. We have two variables- 'At Bat' and 'Hits' At Bat…

Q: Floretta, a golfer, claims that her drive distance is not equal to 238 meters, a believe her, so she…

A:

Q: During the 2003 season, Major League Baseball took steps to speed up the play of baseball games in…

A: The research hypothesis is the steps taken during the 2003 season would reduce the population mean…

Q: Grades f LCB 95-98 2 94.5 91-94 3 90.5 87-90 12 86.5 83-86 16 82.5 79-82 15 78.5 75-78 2 74.5 1=4…

A: Given that Grades f LCB &lt;cf 95-98 2 94.5 50 91-94 3 90.5 48 87-90 12 86.5 45 83-86 16…

Q: Use the following data to answer the following questions: 5, 10, 11, 6, 10, 13, 8 1. The mean value…

A:

Q: Question 11 P(BA)= Be sure to give probability as a decimal to two decimal places.

A: Given : Event A : Student prefers Coke over Pepsi Event B : Student like running The prob. that…

Q: The heights (in cm) and weights (in kg) of thirteen male and ten female students are given below:…

A: The question is about confidence interval for a correlation coefficient Given :

Q: === *** 28592⠀⠀⠀HARASAABBBBBEE FEM ARRAN⠀⠀⠀⠀⠀ F***EF*2====

A: Given: N = 84 Formula Used: V(X) = E(X2) - E(X)2 Where,  V(X) is the variance. E(X) =…

Q: b. Write the equation of the line of best fit. c. Predict the weight for the height of 1.83

A: The provided information is  Height (x) Weight (y) xy x2 1.63 59 96.17 2.6569 1.73 51 88.23…

Q: 3. Magkano ang nominal wage? Real wage = P10,200.00 CPI = P180.20

A: There are two types of wage rates, they are nomial wages and real wages. Nominal wages explain the…

Q: Compute for Coefficient of Determination   New Cases New Deaths 1765 4 1097 5 891 4 959 6 937 58…

A: Coefficient of determination is the square of correlation coefficient. Correlation coefficient is…