There are a total of 54 students in Grade 10 - Sapphire. Twenty-four are boys and 30 are girls. If a teacher randomly selects a student to represent the class in a school meeting 6. What is the probability that a boy is chosen? 20 В. 81 А. D. 1 7. What is the probability that a girl is chosen? А. 8. What is the probability that girl and boy are chosen? 20 В. 81 D. 1 20 В. 81 C. D. 1 А. ilit

Q: 2. According to NSCB statistics, the life expectancy of Filipino women is 70.1 years. Suppose a…

A: Population mean μ=70.1, n=sample size=30, population variance σ2=4.76, sample mean x̄=72.5…

Q: Compute the cumulative distribution function for the life time of the sensor. What is the…

A: The cumulative distribution function is defined as F(x) = P(X ≤ x)

Q: A manufacturing machine has a 2% defect rate. If 8 items are chosen at random, what is the…

A: Let X be the number of defected machine from binomial distribution with probability (p) = 2% = 0.02…

Q: what is the probability that it is: a) a vowel or a consonant? b) a consonant or w?

A: HERE TOTAL PIECE of paper in box are 26 , and each piece of paper have distinct letter in the…

Q: Answer the following question, SHOW SOLUTION. 2.) A bowl contains 15 chips numbered 1 to 15. If a…

A:

Q: Example, suppose that the mean number of calls arriving in a 15-minute period is 10. To compute the…

A:

Q: Ex4. Suppose the scores x on a college entrance examination are normally distributed with a mean of…

A: Given that  X~N(μ= 550 , σ= 100 ) μ= 550 , σ= 100 Formula for Z-score Z=(X-μ)/σ

Q: Q-1: Let P, Q, R and S be the propositions: P: "Ahmad comes to the party", Q: "Salim comes to the…

A: Since you have posted a question with multiple subparts, we will solve first 3 sub-parts for you…

Q: (A) Find the probability distribution of X. ​(B) Find the expected number of defective bulbs in the…

A: here given, A box of 10 flashbulbs contain 4 defective bulbs. here n =2 is selected and tested , so…

Q: 4. A sociologist discovered that an average of 7.2 jobs was held by 50 retired men during the course…

A: Given that  Sample Mean \bar XXˉ = 7.27.2 Population Standard Deviation (\sigma)(σ) = 2.12.1…

Q: Example 57. How many of these will (a) Include one particular player In how many ways can a foot…

A:

Q: At a music​ festival, there are eight bands scheduled to​ play, numbered 1 through 8.   a. How many…

A: Given that ; Total bands (n) = 8 By using factorial concept we solve this problem

Q: 40. The average grade in Statistics and probability of 70 out of 100 students in Grade 11-STEM is…

A: Note:; According to Bartleby guidelines expert solve only one question and rest can be reposted.

Q: The mean time required to assemble a bicycle is 20.5 minutes and the standard deviation is 2.3…

A: Population mean μ=20.5, standard deviations σ=2.3  Let X be the assemble a bicycle X~N(μ=20.5,…

Q: 3.

A: We have two types of data: 1. Qualitative : Data that can’t be counted or measured using numbers and…

Q: sulation sta 22. Refer to Exhibit 4. The expected value of x (expected mean) for the sample is a…

A: It is given that Population mean = 9 Population SD = 0.18 Sample size n = 121

Q: Suppose the odds of rain today are 5:9 What would be the probability that it will rain today? 5/9…

A:

Q: What is the probability that the salesperson will make exactly three sales in a day? b. What…

A: A salesperson contacts 10 potential customers per day. From past experience, we know that the…

Q: And I witnessed to a crime said that the license plate of the getaway car began with the letters T,…

A: Given the letters T, B, and E, but he cannot remember the order. The rest of the plate had the…

Q: and if a 1 is transmitted, the probability of it being received in error is 0.1. If the output of…

A: here define events I1 = input bit 1 ,  p(I1) = 0.7I0 = input bit 0   , p(I0) = 0.3R1 =…

Q: Question 3: A game of zumpie consists of 3 teams; 2 teams lose and 1 team wins. Fifty-one teams…

A:

Q: It is known that in a bank, the average time required to process the customers’ transaction is 15…

A: Solution-: Given: μ=15minutes,σ=4.2minutes We find, P(the customer chosen at random will finish…

Q: The graph illustrates a normal distribution for the prices paid for a particular model of HD…

A:

Q: 2 dice are thrown simultaneously. Wha is the probability that the sum of the numbers on the faces is…

A: When two dice thrown So total no. of possible outcomes will be 6^2=36. These are[…

Q: Prove or disprove. Given n (n > 1) events A. A,. .A, E5, then n PIA]- PIA, N A,] < PIJ4;]< P[A,] i=1

A:

Q: Use the results of the simulation to calculate the experimental probability of winning. Show your…

A: here use given simulation result  Now We will use simulation results for the Experimental probablity…

Q: The probability that an adult female is a member of the Liberal Party of Canada is 0.6; the…

A: Solution

Q: 9. You have just been blessed with quadruplets (all girls). You decide to select their names using…

A: We are given the table for doing random sampling and are asked to start from line 122.Also, we are…

Q: Ex. 1. A contractor purchases a shipment of 30 computers. It is assumed that, the number of…

A:

Q: Which of the following stocks is riskier if you are considering investing in X or Y only? Stock…

A: The coefficient of variation of X is 2 and the coefficient of variation of Y is 4.

Q: Assignment After collecting considerable data, the engineers decided to model the variation in shaft…

A: Given that

Q: Let F and G be probability generating function ow that FG is also a probability generating function.

A: The probability generating function is defined as,

Q: A game has an expected value to you of ​$100. It costs ​$100 to​ play, but if you​ win, you receive​…

A:

Q: Assume that random events A and Bare independent, A and C are independent, and BC = p. If 1 P(A) =…

A: Given: BC = ∅P(A) = P(B) =12P(AC|ABUC)=14

Q: The sales of Company (in milion dellens) fon each year Shown in the Lable below. arre x lyear) 2005…

A: We have given that,  The data set are: X:- 2005, 2006, 2007, 2008, 2009 Y:-12, 19, 29, 37, 45 Then,…

Q: Determine the mean or expected value of each random variable 112 リ12 1/2 113 115 DCw)

A: From the provided information, w 1/12 1/6 1/3 1/2 p(w) 1/2 1/10 1/5 1/5…

Q: About 25% of a population are of a particular ethnic group. 200 people are randomly selected from…

A: According to the given information, we have Probability, p = 25% Sample size, n = 200

Q: The accountants of a known auditing firm have a mean daily salary of P850 with a standard deviation…

A: X~N(μ= 850 , σ= 82 ) μ= 850 , σ= 82 Formula for Z-score Z=(X-μ)/σ

Q: In a lightbulb manufacturing system, on average 1 lightbulb arrives every 0.5 hours. The average…

A: The probability that both processing units are idle is 0.25. Given: 1/0.5 = 2 per hour arrival…

Q: You are presented with the linear model fitted to the following data S75K STOK- S60k S5SK S45K $40K…

A: Given a linear model fitted to the data point.  We have to select the correct statement regarding…

Q: Find the Probability of the following Binomial Distribution related problems Show your complete…

A: Binomial distribution is the discrete probability distribution.

Q: The bedroom, garage, office, and bathroom of a house will be painted, each with a different color.…

A: From the provided information, There are 15 colors and the bedroom, garage, office and bathroom of a…

Q: While analyzing a data set, a scientist notices one data value that is 2 IQRS below the first…

A:

Q: d. What is the probability that the randomly chosen student thinks a hotdog is a sandwich given that…

A: Given that    Hotdog is sandwich  Hotdog is not sandwich  Total Front legs 1 1 2 Back legs 17…

Q: a. 0.5408 b. 0.4500 c. 0.0235 d. 0.0389

A: Given that  p=45%=0.45 , q=1-p=1-0.45=0.55 , n=450

Q: A sample of 52 obsorvation is drawn from a population with standard deviation 60. Find C so that the…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: Two owners of a cattle ranch, Robert and Val, want to find the average weight for the ranch’s 200…

A: Given that

Q: A fire-detection device utilizes three temperature-sensitive cells acting independently of each…

A:

Q: Union and Intersection of Events. Answer the following question, SHOW SOLUTION. 1.) Mario has 45 red…

A:

Q: 11. Heat must be removed from a system according to how fast it is generated. Suppose the system has…

A: 11. Let X denotes number of active components. Then, given probability of active = 0.25 i.e. p =…