8. In a 60-item test. Anthony got a score of 48. Which is the 3rd quartile. This means that A. He is the highest among the test takers. B. He surpassed 75% of his classmates. C. His score is higher than 25 of his classmates. D. Seventy-five percent of the class passed the test.

Q: In a study of the accuracy of fast food drive-through orders, Restaurant A had 226 accurate orders…

A:

Q: In a survey of 3041 adults, 1426 say they have started paying bills online in the last year.…

A: The number of adults said that they have started paying bills online in the last year (x) is 1426…

Q: 2. Supposed the prevalence of Sudden infant death syndrome (SIDS) is 0.01%. At a local Maternity…

A:

Q: Data on pull-off force for connectors are as follows: 79.3, 75.1, 78.2, 74.1, 73.9, 75.0, 77.6,…

A:

Q: In a math class of 30 students, 17 are boys and 13 are girls. On a summative test, 4 boys and 5…

A: GivenTotal no. of students in a math class = 30No.of boys in a class=17No.of girls in a…

Q: What is the probability to find a prime number with 500 trials of random odd numbers in the range…

A: 1. The quantity of freight being transported is rising, with road haulage accounting for the…

Q: The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 31…

A: Here, mean is 31 and standard deviation is 6.8. We will use z-standard normal distribution.

Q: Show using probabilities that whether the machine produces acceptable items is dependent on whether…

A: Here use probability tree and Bayes rule

Q: The national Safety Council (NSC) estimates that off-the-job accidents cost U.S. businesses almost…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: earning at least Rs 63 but less than Rs 75. V Draw a less than ogive from the following data and…

A:

Q: Construct the confidence interval for the population mean µ. c= 0.98, x = 6.9, o = 0.3, and n= 40 A…

A: Given : Sample Size , n= 40 Sample Mean , x̄ =6.9 population standard deviation , σ =0.3…

Q: 2. What is the probability of the spinner. a. landing on red? b. landing on orange? c. landing on…

A: As per our guidelines we are supposed to answer only 3 subpart of any questions so i am solving…

Q: Problem 5. (i) Let X be a random variable such that log X is normally distributed with mean u and…

A: Find  (i) P(X<a) =? (ii) What is the distribution of ∑xi

Q: 3. Given below are the marks obtained by 200 studentsS of a university in statistics pane 50-60…

A: Given that  Marks 40-50 50-60 60-70 70-80 80-90 No. of students  32 42 55 40 31

Q: 6. If one card is randomly selected from a deck of cards, find the probability of selecting a spade…

A: (6) In standard deck  Total No of cards=52 No of Face cards=12 No of spade cards=13 No of Face and…

Q: According to the survey, the two most popular social networking sites in the United States are…

A: Let A and B be two events with P(A) > 0. Then the conditional probability of B given A, denoted…

Q: a. Suppose that Natasha, Monim and Rehan are serving in a restaurant on roster shifting. On a…

A: a. Given information, Suppose that Natasha, Monim and Rehan are serving in a restaurant on roaster…

Q: C. What is the probability that a randomly selected person from this study tried to quit smoking…

A: Here AS PER GIVEN NOTE I HAVE CALCULATED PART C

Q: Labor force participation among women rose in the United States between 1975 and 2000 and has beeen…

A: The random variable X follows binomial distribution. We have to find the probability between 48% and…

Q: Use the accompanying payoff table with event probabilities to answer parts​ (a) through​ (h).…

A: Note: In case of multiple subparts, answer to first three subparts will be provided. Kindly post…

Q: (8) From a standard deck of cards (52 cards) how many 5-card hands will contain a) Four jacks and…

A: We know that  There are 52 card in the deck in which they divided into two color i.e red(26) and…

Q: (a) What is the probability that the low temperature will be between 17° and 26°? answer: (b) What…

A: Let X denote the low temperatures for each day. Given that X follows Uniform(a = 15, b = 35), then…

Q: Show that the probability for two random polynomials in Z[r] of degree at most n and max-norm at…

A: If  аn  аssessment  is  essentiаl  оr  рerсeived  benefiсiаl  in  аny  mаnner,  аuthоrs  аre  likely…

Q: (a) Find the mean of p. (b) Find the standard deviation of p. (c) Compute an approximation for P…

A:

Q: A lie detector test has a probability of 0.95 for giving a positive result when tested upon a person…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: The use of the interval P(1 – p) p± (z critical value)/ n res a large sample. For each of the fa ns…

A: Large sample theory The sample size n is greater than 30 (n≥30) it is known as large sample. For…

Q: This is the empirical probability because my example uses past experiences to predict how many white…

A: Given information: Empirical Probability & Theoretical probability

Q: A random sample of 70 suspension helmets used by motorcycle riders and automobile race-car drivers…

A:

Q: 12. Below are given the wages earned by workers per week in a certain factory. Monthly income (Rs)…

A:

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: Here, mean is 212.8 and standard deviation is 0.7. We will use z-standard normal distribution.

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: Given that    A research institute poll asked respondents if they felt vulnerable to identity theft.…

Q: Suppose that a finished product is randomly selected. What is the probability that it is defective?…

A: HERE Take  P(1)=Probability of Product produced by the Machine 1  P(2)=Probability of Product…

Q: A TV report conducted a survey of 908 people in Phoenix metro area and found that 28% of the…

A: Given that  Sample size n =908 Sample proportion p^=28%=0.28

Q: 4. If one card is randomly selected from a deck of cards, what is the probability of selecting a…

A: Here AS per note given I have calculated 4

Q: D.1 Test the hypothesis that the average content of containers of a particular lubricant is 10…

A:

Q: Suppose the sample space for a continuous random variable is 0 to 400. If the area under the density…

A: GivenThe sample space for a continuous random varaible is 0 to 400i.e., P(0<x<400)=1The area…

Q: A small-business Web site contains 100 pages and 60%, 30%, and 10% of the pages contai low,…

A: The joint probability values are calculated by using, PX,Y=30x10y100-30-104-x-y…

Q: MY NOTES ASK YOUR TEACHER An auto insurance company classifies each motorist as "high risk" if the…

A:

Q: 1. A spinner is numbered from 1 to 10. Find the probability that the pointer will stop on an even…

A: Solution: A spinner has 1 to 10 numbered.   S= {1,2,3,4,5,6,7,8,9,10} n(S)= 10 Total number

Q: What do you call the term if the sample space of a random experiment consists of a finite number of…

A: For the given statement select the correct choice

Q: It is known that in a batch of milk cartons, 30% are underfilled. In a sample of six milk cartons…

A: Given that the batch of milk cartons underfilled is 30% and there are sample of six milk cartons.…

Q: 4. For the following problem: a. Identify the null and alternative hypotheses b. Calculate t С. Test…

A: Statistical hypothesis testing, a test statistic is a number calculated from the values of the…

Q: A coin is tossed three times, the result being either Heads or Tails. Let X represent the number of…

A: Three coins tossed P ( atleast one head ) is = ?

Q: U For the continous Markor chain n Crator a: states E12,3,43 with on gen 0 O 0 O 4 is an alsorbing…

A: Given that, for a continuous Markov chain on states {1,2,3,4} with generator       Q=  -1    1/2…

Q: Data on pull-off force for connectors are as follows: 79.3, 75.1, 78.2, 74.1, 73.9, 75.0, 77.6,…

A:

Q: Use the data in the table to the right to answer the following questions. Weights (g) of a Sample…

A:

Q: ill in the missing value to make a valid probability distribution. 4 12 16 20 24 (x) 0.02 0.21 0.17…

A: Given that  Probability distribution  X 4 8 12 16 20 24 P(x) 0.02 0.21 0.17 0.46 0.05 a=?

Q: With usual notations show that : 1 +e. (i) eº = 2 (ii) P = - 1+e x +1

A:

Q: Let p be the population proportion for the following condition Find the point estimates for p and q.…

A:

Q: A simple random sample of 900 students from a college with student population 10,000 is taken to…

A: The proportion value is obtained as given below: p^=Number of observationSample size=378900=0.42…