Use the spinner below. 12 1 11 10 3 4 5 7 P(greater than 12) = Enter the probability as a reduced fraction. 2.

Q: The number of messages sent per hour over a computer network has the *following distribution: Find t...

A: Expected value is calculated using the product of random variable and the corresponding probability ...

Q: Q. 11. Calculate missing frequencies from the following when mean is 1.5 and F 80. No. of events : 1...

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Q: In 2003, Major League Baseball took steps to speed up the paly of baseball games and make games a mo...

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Q: Calculate Harmonic mean from the indiviusal observations given below: ba acii hee 50, 60, 70, 80, 90...

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Q: How do you you decide whether your a test is one, two, left or right tailed?

A: Any assumption about the parameter or probability function is known as Hypothesis testing (HT). 

Q: From the following data. Calculate Karl Pearsons co- efricient of Skewness: Class interval Frequency...

A: Given data is  Class Interval Frequency 10.5 - 15.5 30 15.5 - 20.5 36 20.5 - 25.5 40 25.5...

Q: A sample of n = 100 scores is selected from a population with u = 50 and o = 5. If the sample mean i...

A: Given Sample Mean: x̄ = 49 Sample Size: n = 100 Population Mean: μ = 50 Population Std Dev: σ =  5 W...

Q: The marks obtained by fine students are : 21, 36, 40, 49. Find the value of geometric mean.

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Q: 1. Pharmaly-maly Company has a collection schedule of 60% during the month of sales, 15% the followi...

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Q: A candidate is selected for interview for 3 posts. For the first post there are 3 candidates, for th...

A: Given: Number of candidates for the 1st post=3 Number of candidates for the 2nd post=4 Number of can...

Q: If a machine is correctly set-up it produces 90% acceptable items, if it is incorrectly setup it pro...

A: Given that, If a machine is correctly set-up it produces 90% acceptable items, if it is incorrectly ...

Q: In a poll of 1000 randomly selected voters in a local election, 915 voters were in favor of school b...

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Q: Calculate the co-efficient of correlation and the lines of regression for the following data: X= 1 2...

A: The association or strength of association between the two variable are measured using the coefficie...

Q: Suppose I flip a fair coin n = 20 times. A psychic tries to predict the outcome before each flip. Th...

A:

Q: One of the tallest living men has a height of 250 cm. One of the tallest living women is 232 cm tall...

A: Given that, Xmen=250 cm     μ=176 cm     σ=7 cm The z-score for men is,

Q: Heights of women have a bell-shaped distribution with a mean of 161 cm and a standard deviation of 6...

A: Given : μ = 161 σ = 6

Q: Over the past several months, an adult patient has been treated for tetany (severe muscle spasms). T...

A: a) Step-by-step procedure to find the mean and standard deviation using TI-84 calculator:  Enter ST...

Q: A machine puts out 16 imperfect articles in a sample of 500. After the machine is overhauled, it put...

A: In question, Given that a machine puts out 16 imperfect articles in a sample of 500 and after overha...

Q: Which of the following is not equivalent to the statement: If n² is even, then n+2 is even." %3D If ...

A: option B is not equivalent.

Q: The chemist responsible for a ceramics factory evaluated the presence of Cadmium in the vessels prod...

A: Given Information: Cd (mg/L) 0.4887 0.4758 0.5506 0.4838 0.4901 0.4954     μ=0.5000n=6  

Q: 49. It is estimated that 63% of Americans will watch the Masters golf tournament and only 48% will w...

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Q: Understanding student demographics is important for a college in deciding what programs will most be...

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Q: Let U= {1,2,3,4,5,6,7,8,9,10} be the universal set A={1,2,3,4,5,6}, and B={5,6,7,8}. Which of the fo...

A: Given that  U is a universal set { 1,2,3,4,5,6,7,8,9,10} A= { 1,2,3,4,5,6} and  B = {5, 6,7,8} By us...

Q: C. The student has competed in Rhythm and Standard, but not smooth?

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Q: Find the value of mean and mode from the data given below: 93-97 98-102. Weight in Kg: No of Stadent...

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Q: Consider the probability distribution shown below. x 0 1 2 P(x) 0.05 0.60 0.35 a) Compute the expec...

A: Given that: x :       0            1            2 P(x) 0.05    0.60        0.35 By using expected an...

Q: carpet manufacturing cleaning company has a seasonal pattern of daily mail volume every week. The fo...

A: Data given for week 1 & 2 We have to forcast the volume for each day of week if 30,000 piece to ...

Q: 4. 4For the following vectors, x and y, calculate covariance, Pearson's correlation and Spearman's r...

A: Given: The data given is as shown below x y 2 -1 -1 1 0 -2 1 0 -2 1 -3 2

Q: f it is glven that Σ κ= -100 , Σ-400, Σί -1000, Σ ί*- 5000 and N= 10, find the first four central mo...

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Q: A book store must order books two months before each semester ends. The manager believes that the nu...

A: The regression used to predict the future value over a period of time. Each regression line has two ...

Q: Good day, this problem is already reposted. Pls answer question 4 this time. Since it is related to ...

A: Given A random sample was taken of the thickness of insulation in transformer windings, and the foll...

Q: your work. The owner of a small deli is trying to decide whether to discontinue selling magazines. H...

A: Given : Percentage of magazine being sold=10.9% Random variable(X)  X=number of magazines sold

Q: the general appearance of a t distribution is similar to the standard normal distribution in that bo...

A: Given that The general appearance of a t distribution is similar to the standard normal distribution...

Q: Suppose a borderline hypertensive is defined as a person whose DBP is between 90 and 95 mm Hg inclus...

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Q: A sample of 503 school teachers, who are married, showed that 210 of them hold a second job to suppl...

A: Given Data n1 = 503 x1 = 210 n2 = 383 x2 = 141

Q: In the distribution with u = 35 and o = 6, a score of X = 50 correspond to z =

A:

Q: The systolic blood pressure (BP) of adults in the USA is nearly normally distributed with a mean of ...

A: We have given that.   X~N( μ , ?^2 )   μ =118 , ? =15   Z-score =( x - μ )/?

Q: A candidate is selected for interview for 3 posts. For the first post there are 3 candidates, for th...

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Q: The 2008 General Social Survey asked, “What do you think is the ideal number of children for a famil...

A: Given that,  n=678x¯=3.22s=1.99 The point estimate of the population mean is sample mean. That is, x...

Q: Rank correlation coefficient between the marks in Mathematics and Statistics obtained by a group of ...

A: Given: x: marks in Mathematics y: marks in statistics ∑(xi-yi)2=55 Rank correlation coefficient(R)=...

Q: Find the third quartile Q, of the list of 24 sorted values shown below. 31 32 38 40 41 43 45 45 46 4...

A: We have given that,  The data set is,  31,32,38,40,41,43,45,45,46,49,52,53,55,55,57,57,57,57,61,63,6...

Q: In a recent​ survey, it was found that the median income of families in country A was $57,300. What ...

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Q: Suppose that a category of world class runners are known to run a marathon (26 miles) in an average ...

A: Given Mean=147 Standard deviations=15 n=49

Q: Medical researchers have developed a new artificial heart constructed primarily of titanium and plas...

A: The hypotheses for the test is given below. Null hypothesis: H0: µ =10 hours Alternative hypothesis:...

Q: Find Geometric mean from the following distribution : х%3D4, 5, 6, 7, 8, 9. f= 2, 3, 4, 3, 2, 1.

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Q: ! Example17-38. State as precisely as possible the properties of the M.L.E.Obtain the M.L.Es. of a a...

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Q: Q5. Find the conditional probability Pr(B|A) Prob. Venn Diagram Incomplete Carroll diagram A 0.3 0.1...

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Q: In a binomial distribution consisting of 5 independent trials, probabilities of 1 and 2 success are ...

A: Binomial Distribution :                   A discrete random variable X taking value 0,1,2,...,n is s...

Q: opulation parameters are always point estimators of sample statistics O True O False

A: Given that  Parameter based on population and statistics based on sample. 

Q: A lest consists of five questions and to pass the test, a student has to answer at least four questi...

A: Define the event of answering a question rightly as a success and the event of answering a question ...