12. Below are given the wages earned by workers per week in a certain factory. Monthly income (Rs) Number of workers Upto Rs 10 50 Upto Rs 20 150 Upto Rs 30 300 Upto Rs 40 500 Upto Rs 50 700 Upto Rs 60 800 Draw an ogive.

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A: Given that.   X~N( 0 , 1 )   μ=0  , ?=1 (for standard normal distribution)    Z-score =( x - μ )/?…

Q: According to Wealth committee data, 0.4% of people have anemia. One thousand people are randomly…

A: Given that  p=0.4%=0.004 , n=1000

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Q: uppose that the heights of female adults in the United States are normally distributed with a mean…

A: Solution-: Given: μ=65.4inches,σ=2.8inches We obtained the following: (a) P(X is between 66 and 70…

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

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A: Given : The probability of the event of rain for the day is 84%.

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A:

Q: 2.) Mendel's Experiment. In one of his experiments, Mendel crossbred nonpure purple flower pea…

A: The number of plants with purple flowers is 705 and number of plants with white flowers is 224.

Q: The odds againts A solving a problem are 5: 4 and the odds in favour of E solving the same are 3: 7.…

A:

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

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A:

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

A: Given that

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A: Solution: 9. From the given information, the probability that people who drink red bull get…

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A: Given that  Let X be the number of grinders sold by snack bar on a particular night  Let Y be the…

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A:

Q: a. an ace or a king; b. a king or a diamond

A: Here Given  Total No of cards=52

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A: We need to find the minimum sample size n needed to estimate μ for the given values of c, σ and E.…

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A: It is given that Warren has access to an investment opportunity described as follows:-Final wealth…

Q: Use the sample data and confidence level giveh belOW A research institute poll asked respondents if…

A: Given information, n=1037 and x=598. a) Best estimate for the population proportion, p:…

Q: 16. How many 4 cards can be formed if 2 are spades and 2 are diamond? а. 16 b. 120 С. 2400 d. 6084

A: As per company guidelines I solved only 1st question thank you

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

Q: Match each set of odds with the probability that the team would win. Odds 2:3 V [ Choose ]…

A: We have given that the odds represent the chance given that a football team would win the state…

Q: Q2 Cars arrive at a parking lot at a rate of 20 per hour. Assume that a Poisson process model is…

A: Car arrives the parking lot at a rate of 20 per hours = λ

Q: A box contains 12 balls numbered 1 through 12. Two balls are drawn in succession without…

A: Given that - A box contains 12 balls numbered 1 through 12. Two balls are drawn in succession…

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A: HERE AS PER GUIDELINES I HAVE CALCULATED 3 SUBPARTS ,KINDLY REPOST FOR REAMINING Here Given  No of…

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: Here are summary statistics for randomly selected weights of newborn girls: n = 194, x= 30.5 hg,…

A:

Q: Tacoma's population in 2000 was about 194 thousand, and has been growing by about 10% each year. a.…

A:

Q: Find the minimum sample size n needed to estimate u for the given values of c, o, and E. c= 0.95, o=…

A:

Q: Suppose that 0.55 of all adults own a car. Random samples of adults are taken and the proportion of…

A: Here use normal distribution

Q: Operati A diagnostic test for a certain disease is applied to n individuals known to not have the…

A: Given : X = 3 n = 25

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: The average labor cost for car repairs for a large chain of car repair shops is P520. The standard…

A: Given that mu =520 ,s.d =40

Q: Determine the mean or expec o each Random Variabte- 10 20 PC+) 50% 12% 38 %

A: From the given information, t 5 10 20 P(t) 50%=0.50 12%=0.12 38%=0.38

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

A:

Q: Suppose that customers arrive at a bank's ATM at the rate of 10 customers per hour. If a customer…

A: A continuous random variable X is said to follow Exponential distribution with parameter λ if its…

Q: 1. Blacklist International has 10 posters waiting to be displayed at the lobby of Tier One…

A: Here Given  Total No of poster to be Displayed=10 No of days for display without repetition=45 X= No…

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

A: Given: A and B are independent.A and C are independent.BC = ∅P(A) = P(B) = 12P(AC|ABUC) = 14

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

A:

Q: 4. Assume it is equally likely that a child is born a boy or a girl. a. Draw a tree diagram and list…

A: Here we have assumed that it is equally likely that child is born a boy or girl

Q: w- if x < 0, f(x) = le-2x if x 2 0. %3D

A: To develop a random variate generator for a random variable X:

Q: Illustration 31. A lottery sells 100000 tickets of Re. 1 each to award a prize of Rs. 10000 to the…

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Q: In the United States, voters who are neither Democrat nor Republican are called Independent. It is…

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Q: An experiment consists of dealing 7 cards from a standard 52-card deck. What is the probability of…

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Q: A food safety guideline is that the mercury in fish should be below 1 part per milion (ppm). Listed…

A: For the given data 98% c.i =?

Q: You are trying to determine the effect of how long it takes for you to get a seat on the subway at…

A: Hyроthesis  testing  (аlsо  knоwn  аs  testing  fоr  stаtistiсаl  signifiсаnсe)  is  а  teсhnique…