X is the Binomial Random Variable which counts the number of students who passed an exam. If the class has 93 students and the probability that a single student passes the exam is 0.75, standard deviation of the distribution? Write answers correct to 4 decimal places.

Q: Critical values for quick reference during this activity. Confidence level Critical value z* = 1.645…

A: From the provided information, Margin of error (E) = 1.59% = 0.0159 Confidence level = 90%

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A: Total blocks = 12  Square = 3  Rectangle = 3  Triangle = 3  Circles= 3  Order matters  If it draws…

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A: Compact cars: Sample size n1=36 Sample mean x¯=38 Sample variance s12=25 Sample standard deviation…

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A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

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Q: In a poll, 1200 adults in a region were asked about their online vs. in-store clothes shopping. One…

A: Answer:- Given, Sample size, n = 1200  Sample proportion, p = 38% = 0.38  Confidence level = 95% =…

Q: 47) If a set of observations is normally distributed, The Percent of these differ from The mean by…

A: the set of observations is normally distributed.

Q: Please no written by hand solution and no img Looking for the MOST SIMPLE WAY to explain and/or…

A: Analysis of variance

Q: Suppose that 159 out of a random sample of 225 letters mailed in the United States were delivered…

A: sample size (n) = 225favorable outcomes (x) =15995% ci p.

Q: Question 5 "At a certain college, it is estimated that about 37% of the students have cars on…

A: About 37% of the students have cars on campus. Sample size n=48 Out of which x=24 students are found…

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A: The question is about 5 no. summary and graphical representation of the data Given :   To find : 1…

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A: It is needed to discuss about observational study and experiment.

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Q: Using the following stem & leaf plot, find the five number summary for the data by hand. 1|01 2166…

A: Answer:- Given stem-and-leaf plot is Stem leaf 1 0 1 2 1 6 6 3 1 6 4 1 3 4 9 5 2 2 4 7…

Q: Given below are the number of successes and sample size for a simple random sample from a…

A: Answer  X =8 n =50 Confidence interval =99%

Q: Find the E(X) of the random variable X with the following PDF: ƒx(x) = ²/2 I[0,1] (x) + ½ 1(1,2) (x)…

A: Let X be random variable with pdf

Q: Three cards are drawn from a deck without replacement. Find the probability the first card is a…

A: the first card is a spade, the second card is a club, the third card is a black card.

Q: 3. You are in charge of a delivery company that has a large fleet of delivery truck. The distance a…

A: The sample size is 36, the sample mean is 55 and the sample variance is 49.

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A: The pdf of a random variable X is given.

Q: nfidence interval for the value of the parameter. A sample of 10 Latin American countries was…

A:

Q: Given the following data: Vegetable Sweet Carrot Yes Potato Onion Celery No Yes No Starchy Yes Yes…

A: Vegetable Sweet Starchy Firm Vitamin Water Calories/100g Carrot Yes Yes Yes A Medium 43 Potato…

Q: iF Xn Bin (60 0.7) Find P(X=4)

A: X~Binomial(n=6 , p=0.7) then find P(X=4)=?

Q: Which of the following possibilities is a serious concern with a repeated-measures study? a. The…

A: d. All of the other options are major concerns. All of the listed possibilities are serious concerns…

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A: As per our guidelines we can solve first multiple-choice question and rest can be reposted.…

Q: Four basketball teams took a random sample of players regarding how high each player can jump (in…

A: n=15 K=5

Q: Find the probability distribution. Find the expected value, variance, and standard deviation.

A: Two coins are selected from a pocket that contains 3 nickels and 4 quarters . There are total 3 + 4…

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A: From the provided information, 293 out of 550 feel that the site should do more to decrease hateful…

Q: A set of data has a normal distribution with a mean of 5.1 and a standard deviation of 0.9. Find the…

A: Give  that a set of data has a normal distribution with a mean of 5.1 a d a standard deviation of…

Q: Suppose the PDF of X is given by fx(x) = 5e¯³×l(o,∞)(x). Find its CDF.

A:

Q: We are given X~ M1 7016²) and P(X>79) = 0,025 then

A: normal distribution X~N(70,σ2) P(x>79) = 0.025 σ = ?

Q: The table below shows the number of Central High School students who passed AP Calculus AB Exam. Has…

A: given Score Year 1 Year 2 Year 3 5 18 15 11 4 13 12 11 3 12 14 13

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A: sample space :    0 girls 1 girls 2 girls 3 girls BBB GBB BGG GGG   BGB GBG     BBG GGB…

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A:

Q: The data below are the final exam scores of 10 randomly selected statistics students and the number…

A: As per our guidelines we can solve first multiple-choice question and rest can be reposted. Q.1…

Q: Suppose the random variable X is the number of tails until a head comes up in the experiment of…

A:

Q: the problem stated 66 independent students not 60

A: We need to correct the solution since mistakenly 60 is used in calculation when 66 should be used.

Q: treatment group to be the first sample. Identify the values of n₁, P₁, 9₁, ₂, P2, 92, P. and 9.

A: Let p1 and p2 be the population proportions of children who developed disease for the treatment…

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A: For the existing question, we need to find the correct test statistic and degrees of freedom.

Q: Practice: 1) Find the number of possible outcomes. List all the possible outcomes. A stack of cards…

A: “Since you have posted multiple questions, we will provide the solution only to the first question…

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A: As per the Bartelby guidelines only three sub-parts can be answered. Kindly resubmit the question…

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A: Solution: Correlation: Two variables X and Y are said to be correlated if there is an association…

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Q: Fill the Following blanks with the right answer! □ PIZ-1.39)= @ P(Z > 1₁96) = Plo. 65 17)

A:

Q: 3. The weekly demand for propane gas (in 1000s of gallons) from a particular facility is a random…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Please do not give solution in image format thanku 10. On the roll of two dice you bet $3 that the…

A: On the roll of two dice you bet $3 that the sum is 7. If the sum is 7, you win $14 and your bet…

Q: For each of the following, indicate whether a correlation is most likely POSITIVE, NEGATIVE or NC…

A: Given the statements to indicate whether a correlation is most likely POSITIVE, NEGATIVE, or NC (no…

Q: By letting the GDP (gross domestic product) be the dependent variable (y), and the year (2002 -…

A: Given is a regression output for relationship b/w GDP and year for Germany and Ethiopia.