If the group contains 6 women, what is the probability that the two chosen will both be women

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Q: Joseph has taken two tests in his chemistry class. He scored 72 on the first test, for which the mea...

A: GivenFor first test:-x=72Mean(μ)=65standard deviation(σ)=8For second test:-x=60Mean(μ)=45standard de...

Q: 8. Which of the following does not represent an example of a discrete probability distribution? c. 6...

A: Given We want choose appropriate option for given statement.

Q: Ilustration 6. From the following observations prepare a classified frequency distribution: 110 108 ...

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Q: 3. The universe of the study is O A. the set of all residents in NCR O B. the set of all Covid-19 pa...

A: The universe of the study is  

Q: Central Limit Theorem for Sums Suppose random samples of n = 38 are collected from an unknown distri...

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Q: Leila owns a pizza shop. She determines the number of pizza boxes that are sold per day. Probability...

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Q: A random sample of 87 eighth grade​ students' scores on a national mathematics assessment test has a...

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Q: (b) Calculate the equation of the estimated regression line. (Round all numerical values to two deci...

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Q: Use the table to answer to find the probabilities below. P(2.2 2.72) =

A: We need to fint the probabilities  P(2.2 ≤ x  ≤ 3.8 )  & P(x>2.72) Using the given table.

Q: From the following data compute arithmetic mean by direct method:

A: The formula of arithmetic mean by direct method is Mean = Σf.x / Σf Where f is frequency, and x is m...

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Q: Compute the least-squares regression line for predicting the diastolic pressure from the systolic pr...

A: The regression equation for one independent variable is,  

Q: ___________  is an outcome of a given observation and a given inference. A.Inference B.Prediction C....

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Q: Monthly sales have been found to follow a linear trend of y = 10 + 8x, where y is the number of item...

A: Given regression line is: y = 10 + 8x

Q: llustration 10. Obtain the value of medjan from the following data: 91, 384, 591, 407, 672, 522, . 7...

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Q: Customers aTive at a shopping mall by bus, or in their own cars, or by taxi, in the relative quantit...

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Q: Example: The daily lottery costs $1 to play. You pick a 3-digit number. If you win, you win $500. Fi...

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

Q: Consider rolling a die. What is the average number of spots that would appear? a) construct a probab...

A: When a random experiment is repeated several times, it's called repeated trial. The outcomes can alw...

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Q: Q2. Direct Mailing Company sells computers and computer parts by mail. The company claims that at le...

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A: Inferential statistics is involved in drawing inferences about the population from the sample, which...

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Q: For a hypothesis test comparing two Independent population means, the combined degrees of freedom ar...

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Q: From the following data of the marks obtainced by 60 students of a class, calculate the arıthmetic m...

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Q: certain inspection site, it is known that, on the average, 1 in every 50 persons exceeded 37 C tempe...

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Q: Present the following data of the percentage marks of 60 students in the form of a frequency table w...

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Q: There are 12 identical balls and 5 distinct containers: A, B, C, D and E. In a random experiment, th...

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Q: 10. Which of the following is the most appropriate graph to compare th average number of mayas among...

A: Bar graphs are used to compare things between different groups or to track changes over time.

Q: A random sample of 100 items is drawn from a population whose standard deviation is known to be σ = ...

A: Given,sample mean(x¯)=850population standard deviation(σ)=50sample size(n)=100α=1-0.95=0.05α2=0.025Z...

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Q: A study examined the effect of human disturbance on the nesting of Maya birds. The researchers count...

A: The skewness of Mayas is 0.21. Since the value is positive, the distribution is positively skewed. T...

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A: Mean, Median and Mode are measures of central tendency.

Q: a) Find the median speed. b) Find the interquartile range in the speeds.

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Q: A survey was conducted to determine the proportion of Grade 11 students who engage in under-age alco...

A: We have given that p = 0.70 n = 100 We have to calculate  P(x> 0.65) 

Q: procedure can be treated as a binomial distribution. O true O false

A: Given 200 randomly selected Americans are asked if they smoke cigarettes.

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Q: llustration 10. Obtain the value of median from the following data: 753, 91, 384, 591, 522, . 777, 2...

A: Arrange the given data in ascending order384 , 391, 407 , 522 , 591, 672 , 753, 777, 2488sample size...

Q: (a) Construct a scatterplot of the weight (y) versus the height (x). Pass the ball: The NFL Scouting...

A: Use the Excel and Perform the Scatterplot Followings are the Steps to perform the Scatterplot 1) Ope...

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Q: the average length of time for students to register for classes at a certain college has been 110 mi...

A: Given,sample size(n)=20sample mean(x¯)=90standard deviation(s)=14.5degrees of freedom(df)=n-1df=20-1...

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A: Given data is x 20 40 60 80 100 120 P(x) 0.04 a 0.21 0.27 0.25 0.14

Q: Assume that different groups of couples use a particular method of gender selection and each couple ...

A: Given Information: Sample size n=48 Probability of a girl  i.e., probability of success p=0.5 Probab...

Q: lillustrations 5. (b) The mean of 200 items was 50. Later on it was discovered that two items were M...

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Q: From the following data of the marks obtaincd by 60 students of a class, calculate the arıthmetic me...

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