Calculate the mean of the given frequency distribution 10-20 20-30 30-40 40-50 Class intervals: Frequency: 15 25 30 5

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

A: We have given that n = 2091x =4048

Q: Express the confidence interval 30.2 % ± 3.7 % in the form of a trilinear inequality. % <p < %

A: The given confidence interval is, The given confidence interval is in the form of p^±E  That is,…

Q: There are a total of 54 students in Grade 10 - Sapphire. Twenty-four are boys and 30 are girls. If a…

A: Given  54(Student)=24(Boys)+30(girls)  Note: According to Bartleby guidelines expert solve only one…

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

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Q: ret. If t = 2, w = 30, s(1) = 13 and s(

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Q: So far this month he has seen 59 bluejays, 68 black crows, 12 red robins, and 1 cardinal. What is…

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Q: 3 Let X be a Poisson with parameter 1. Prove (step by step) that P(X < 4) = edr. 1 p³e¬²dx.

A: Given information: PX&lt;4=∫1∞16x3e-xdx

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

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Q: 1) Please draw X and R control charts and calcule process capability ratio? IV VI II VIII IX A 11 14…

A: The given data contains 10 samples of size 4 each. Let Xij (j=1,2,....,n) denotes the measurement on…

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

A: Let X be the random variable from binomial distribution with probability (p)= 11% = 0.11 and sample…

Q: The spinner is spun one time. Find the probabilities. P(A) = P(C) %3D A A B P(B U C)= P(BC AE

A: Given that  A spinner is spun one time S=(A,A,A,B,B,C,D,E) n(S)=8 Note: According to bartleby…

Q: A. more than three standard deviations away from the mean B. within three standard deviations away…

A: here In a normally distributed set of data containing 28 658 scores,

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

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Q: Given that x is a normal variable with mean ? = 109 and standard deviation ? = 10, find the…

A: Given

Q: Researchers are concerned about the rise in drinking behaviors among adolescents aged 13- 17 in a…

A: From the provided information, The research team estimates the prevalence of such behaviors is 17%…

Q: 5.) Raffle ticket. Two thousand raffle tickets are sold for $3.00 each. Three prizes are awarded:…

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Q: how many ways can the books be arranged on a shelf if books of the same subject must be placed…

A: here given  there are total 4 different mathematics books and 5 different science book here use…

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: 16 persons shake hands with one another in a party. How many shake hands took place? Select one: O…

A: Calculate using combination formula

Q: b. In Covid-19 pandemic, one out of every 500 people of Dhaka city were affected during this month.…

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Q: 1.) In how many ways can 8 members of board of directors be chosen from 5 juniors and 7 seniors if…

A: HERE GIVEN  TOTAL NO MEMEBER=12 No of Juniors=5 No of seniors=7 No of BODS To be chosen=8

Q: In a survey of 2025 adults in a recent year, 711 made a New Year's resolution to eat healthier.…

A: Given X=711, n=2025

Q: A passcode on a smartphone consists of 4 ​digits, and repetition of digits is allowed.   ​a)…

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Q: Problem 1 Let W (t) be the standard Brownian Motion. Note that W (t) is a Wiener process. (a) Find…

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Q: [6] A machine is used in a production process. From past data, it is known that 97% of the time the…

A: Let  E1 be the event that machine is correctly set up. E2 be the event that machine is incorrectly…

Q: What is the expected value of the random variable? (Туре an integer or a decimal.)

A:

Q: 19. How many 3 cards be formed if 2 are black and 1 is red in a 52 deck of cards? a. 8450 b. 16900…

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

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

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Q: How much should you win or lose if any other number turns up in order for the game to be​ fair?

A: Here two dice are rolled  So Total possible outcomes  6× 6 = 36

Q: A dice has 6 sides numbered 1 to 6. What is the odds against rolling a 2 or a 4. 4:2 6:2 2:4 2:6

A: Odds ratio is the statistics that gives the strength of association between two variables.

Q: find the probability that the chosen student joined  d) Science club only. e) Mathematics and…

A: Of the 300 grade 10 students of a certain high school, 120 joined Mathematics club, 115 joined…

Q: 5. Represent by means of percentage bar diagram the following data. Items of Expenditure Family A…

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Q: Find the confidence level related to the critical value z2=2.2 O 97.2% O 2.8% O 89% O 98.8%

A: Zɑ/2=2.2  Level of significance ɑ

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

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Q: Angie, an owner of a pre-loved clothes shop wants to monitor her sales for the week. Based on her…

A: For any two sets A and B, union of A and B is the collection of elements that are present in either…

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: 1. What is the probability of the spinner, 1 a. landing on a 3? b. landing on a 1? c. landing on a…

A: Union =U={1,1,2,3,4,4}  Note: According to Bartleby guidelines expert solve only one question and…

Q: Consider the 2-player, zero-sum game "Rock, Paper, Scissors". Each player chooses one of 3…

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Q: DIRECTION: Read each item carefully. Choose the letter of the correct answer among the choices. 1.…

A: For the given problems select the correct choice

Q: 2. Sue baked a batch of chocolate chip cookies. She made 15 trays of cookies with 20 cookies per…

A: A discrete random variable X is said to follow Poisson distribution with parameter λλ, if its…

Q: This problem involves empirical probability. The table shows the breakdown of 95 thousand single…

A: Solution

Q: Examplel7. How many different ways can be the letters of the word VOWEL be arranged? (i) How many of…

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Q: If you had a bag of 36,110,00 gumballs. 1,673,785 (4.9%) were red and 34,326,215 (95.1%) were not…

A: Probability is the chance of occurrence of an event. It also known as likelihood happening of an…

Q: c.) Assume that the utility of n dollars is . Write an expression for the expected utility of the…

A: Given: Lets consider the utility of n dollar is 10. Trials=100

Q: Assuming that a test subject is randomly selected from the sample data below, calculate the…

A: The data is given by   Positive Negative Total Uses drug 42 9 51 Not use drug 28 560 588…

Q: 7. Convert the given ratios into corresponding numbers and prepare a complete table for th following…

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Q: (c) What is the probability that at least two of the restaurants are in violation of the health code

A: We have given that the binomial distribution with parameter p = 30% = 0.30 and n = 6. The pmf of…