What is the formula of z? a. (x-μ)/σ b. (μ-σ)/x c. xμ-σ
Q: From a random sample of 81 dates, the mean record high daily temperature in a certain city has a…
A: From the provided information, Sample size (n) = 81 Sample mean (x̄) = 83.54 Standard deviation (σ)…
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Q: Event A: The first selection is a white bean. Event B: The second selection is a red bean. are these…
A: First we are defining dependent and independent event Dependent events : If there are two events as…
Q: The test statistic of z = - 2.57 is obtained when testing the claim that p<0.33. a: Using a…
A: Given that Test statistics=z=-2.57 , Alternate hypothesis=H1:p<0.33
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A: Given X=711, n=2025
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Q: Use the data in the table to the right to answer the following questions. Weights (g) of a Sample…
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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
Q: 1. The mathematics test results of 40 learners were examined and the results were recorded in the…
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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:…
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Q: Manufacture of a certain component requires three different machining operations. Machining time for…
A: For the given data Find the p( atmost 1 hour ) = ?
Q: Q2. (a) A bakery shops sells an average of 105 cakes per week (i) Find the probability that on a…
A: A discrete random variable X is said to follow Poisson distribution with parameter λ, if its…
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A: Introduction: The joint Probability distribution: The joint probability distribution describes the…
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Q: From a pack of playing cards four cards are drawn without replacement. What is the chance that all…
A: We know that There are 52 card in the deck in which they divided into two color i.e red(26) and…
Q: Calls reaching a telephone exchange over the past year average 20 per minute. What is the…
A: The given that the telephone exchange over the past year average 20 per minute. and we have to find…
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: A certain brand of cars captured 21.7% of the market. If 3 cars are selected at random, the…
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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: DRAG AND DROP THE PROBABILITY OF EACH EVENT HAPPENING TO THE WHITE BOXES BELOW. B. A Josephina uses…
A: HERE USE BASIC PROBABILITY probability = no of favorable outcomes no of total outcomes
Q: The probability that fewer than 33 of 124 eligible voters voted is (Round to four decimal places as…
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Q: An average number of customers is 6 in 30 minutes. Find the probability that during 15 minutes it…
A: Given: An average number of customers is 6 in 30 minutes. => In 15 minutes, the average number of…
Q: 1. A researcher claims that the United Nationalist Alliance (UNA) will win the election. A total of…
A: Given that Sample size n =4300 Favorable cases x =2200
Q: (a) line damage given that there is transformer damage; (b) transformer damage given that there is…
A: Here AS PER POLICY I HAVE CALCULATED FIRST 3 SUBPART PLZ REPOST FOR REMAINING PARTS Here use given…
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
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A: Given that 3 Boys and 5 Girls We have to find The number of ways can 3 boys and 5 Girls be…
Q: A genetic experiment with peas resulted in one sample of offspring that consisted of 412 green peas…
A: For the given data Find confidence interval
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A: Let X be the random variable from binomial distribution with probability of moves up 1 unit (p) =…
Q: 7. What is the probability of getting a red card or a face card in a deck of playing cards? A. 2 D.…
A: NOTE- AS PER POLICY I HAVE CALCULATED 3 QUESTIONS
Q: a) 7 or 15? b) 5 or a number divisible by 3? c) even or divisible by 3?
A: HERE AS PER POLICY I HAVE CALCULATED 3 SUBPARTS KINDLY REPOST FOR REMAINING Here , use basic…
Q: In how many ways can 10- different-colored horses be positioned in a carousel? 504 O 4,032 O 362,880…
A: Given that In how many ways can 10 - different -colored be positioned in a carousel Positioning in…
Q: type l ovens. A sample of 32 typel ovens has a mean repair cost of S89.74, with a standard st of…
A: Given,For TYPE 1 :sample size (n1) = 32sample mean (x̄1) = 89.74sample standard deviation (s1) =…
Q: The month of September has thirty days. It is found on average that rain falls on twelve out of the…
A: Given that n=7 , p=12/30=0.40 , q=1-p=1-0.40=0.60 X~Binomial(n=7,p=0.40) X=Number of wet days…
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: (d) transformer damage given that there is no line damage; (e) transformer damage or line damage.
A: HERE DEFINE EVENTS power failure due to transformer damage = A line damage = B p(A) = 0.05 p(B) =…
Q: It is estimated that 3900 of the 13,000 voting residents of a town are against a new sales tax. If…
A: Given that n=13 , p=3900/13000=0.3 , q=1-p=1-0.3=0.7 X~Binomial(n=13,p=0.30)
Q: 5. Represent by means of percentage bar diagram the following data. Items of Expenditure Family A…
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Q: Problem: A card is drawn from a deck of 52 cards. What is the probability that the card drawn is? a)…
A: We have given that a standard deck of 52 cards There are 12 face cards (jack,queen,king of each…
Q: 11. A recent study of smoking cessation programs collected information about nicotine replacement…
A: Here we will use given Venn diagram to answer the following
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A: Let X be the random variable from Normal distribution with mean (µ) = 10, standard deviation (σ) = 4…
Q: | Discuss the term 'central mortality rate' and give the formula for its calculations. CS Scanned…
A: We have given the term central mortality rate.
Q: Q- 1 Twenty-three percent of automobiles are not covered by insurance (CNN, February 23, 2006). On…
A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…
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: Use the sample data and confidence level given below to complete parts (a) through (d). In a study…
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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: Find the percentile rank of a test score of 76 for the data set 70,73,68,83,78,80,89,88,65 FULL…
A: Given data is70,73,68,83,78,80,89,88,65
Q: In a survey of 2029 adults in a recent year, 1228 say they have made a New Year's resolution.…
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Q: Q-1 Four students scheduled interviews for summer employment at the Brookwood Institute. In each…
A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…
Q: Find the minimum sample size n needed to estimate u for the given values of c, o, and E. c=0.98, o =…
A: We have given that, Population standard deviation (σ) = 7.3, Margin of error (E) = 2 and confidence…
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