What is the percentile rank of a student with a shoe size of 7"? (Input the rank, use whole numbers only. Example: 28th or 22nd or 23rd or 21st)

Q: 3. A large lot of tires contains 10% defectives. Four are to be chosen for placement on a car. а. Fi...

A: Given: the defective probability is 0.10    

Q: Let ( S,20 be a simple random walk starting from 0. Let P(S = 1) = p. If the probability that the si...

A: Given that Snn≥0 be a simple random walk starting from 0. 

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Q: .What is the expected value of the gameand what would be a fair price for the game? Both  answers sh...

A: A carnival game consists of a player to guess the result of a toss of a fair 6 sided die if the play...

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Q: Calculate the arithmetic mean from the following ta : Тетр. "С" No. of days -40 to -30 -30 to -20 -2...

A: We have given that.  I want to find mean.  Mean = sum of all observations/total number of observatio...

Q: researchers were interested in the mean number of words recalled from short term memory differs bas...

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Q: 5.47 Ambulance response time. Ambulance response time is measured as the time (in minutes) between t...

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Q: A survey was conducted to investigate the interest of middle-aged adults in physical fitness program...

A: Given : Significance level = 0.01  

Q: The effect of three different lubricating oils on fuel economy in diesel truck engines is being stud...

A: Note: Hi there! Thank you for posting the question. As you have posted multiple questions, as per th...

Q: A single card is drawn from a standard deck of cards. What is the probability that the card drawn is...

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

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Q: 5.37 Dental anxiety study. To gauge their fear of going to a den- tist, a random sample of adults co...

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Q: Find the margin of error for a 95% Cl if p = 0.821, and n = 182.0.

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Q: Data are collected on the income (measured in $1000’s of $’s), house value (measured in $1000’s of $...

A: The objective is to complete the missing values in the table. Calculation of R-square:  R2=Multiple ...

Q: Little Peten'ka refuses to eat broken spaghetti, so his monm wants so compare two brands "M" and "A"...

A: Given that, Little Peten 'ka refuses to eat broken spaghetti, so his mom wants so compare two brands...

Q: Amy is a contestant on a singing reality tv show. Every week, the public votes for the contestant wh...

A: We have given that  Sample size n =5716 Favorable cases x =3735 Sample proportion p^=x/n  =3735/5716...

Q: D) Assuming an initial forecast for week 1 of 15,000 miles, use exponential smoothing to compute mil...

A: Here use exponential smoothing forecasting formula

Q: A company is interested in finding out if there is any difference in the average salary received by ...

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Q: Find the chance of throwing head or tail alter- natively in 3 successive tossings of a coin ?

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Q: A continuous random variable X has distribution D on the real numbers R with distribution function 1...

A: i) Since f(x) is a p.d.f. ∫−∞∞​f(x)dx=1⇒∫01​k(1−x2)dx=1 ⇒k[x−3x3​]01​=1⇒k(1−31​)=1 ⇒32k​=1 ⇒k=23

Q: Calculate the coefficient of correlation for the ages of husband and wife : Age of husband : Age of ...

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Q: Question 8 A new sneaker claims that it can make male athletes jump higher. A sample of 30 male athl...

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Q: An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots ...

A: We have given that.   X~N( μ , ?^2 )   μ =139 , ? =26.7  ,n=37   Z-score =( x - μ )/?

Q: Find the m.g.f of uniform distribution and hence find its mean and variance.

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Q: Question(14): A researcher wanted to know whether children  who live in two different neighbourhood...

A: The appropriate conclusion regarding the mean amounts of exercise, that is received by the children ...

Q: From the following table, compute the quartile deviation as well as the coefficient of skewness : Si...

A: Given data is  Size Frequency 4 - 8 6 8 - 12 10 12 - 16 18 16 - 20 30 20 - 24 15 24 -...

Q: Find the area of the shaded region.

A: here as per guidelines i have calculated first main question repost for remaining scores are normall...

Q: The degree of freedom is needed to determine the rejection region for statistical tests comparing co...

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Q: A researcher is exploring the relationship of academic performance of students in an online class to...

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Q: Construct a horizontal bar graph on the data on common types of pre-treatment used for hospital wast...

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Q: Define the probability generating function of a random variable and discuss its properties.

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Q: 1. Determine the Mean, Median, and Mode of the height in inches of the 30 basketball players. 81 84 ...

A: As per our guidelines we are supposed to answer only one question per post so i am solving first que...

Q: The mayor of a town has decided to support the development of a new highway by their town. The vote ...

A: Given,n=4175x=3128p^=xnp^=31284175=0.74921-p^=1-0.7492=0.2508α=1-0.95=0.05α2=0.025Z0.025=1.96     (f...

Q: What percentage of the population has an IQ that is above average (higher than the mean)?

A: Here Given   scores are approximately normally distributed with a mean of 100 and a standard deviati...

Q: In how many ways can 5 boys and 5 girls be seated in row of 10 chairs A. 2 particular people must n...

A: Here use total arrangement 

Q: You are taking a 20-question true-false test. Your friend takes a 5 question (5 choices per question...

A: Given: sample size (n)= 20 Number of choices per question is given as 5. Out of 5 choices 1 is corre...

Q: Find the minimum sample size required to obtain a level-a test such that B(Ha) = B for a two sided t...

A: suppose that we wish to estimate the average daily yield, μ, of a chemical process by the mean of a ...

Q: A wallet contains 3 $100 bills and 5 $1 bills. You randomly choose 4 bills. What is the probability ...

A: It is given that Number of $100 bills = 3 Number of %1 bills = 5 Total bills = 8 Sample size = 4

Q: One hundred teachers attended a seminar on mathematical problem solving. The attitudes of representa...

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Q: Exercise 1: Tell whether the given value is a statistic or a parameter. 1. The city of Manila is pol...

A: In statistics, the population consists the entire set of entities which are under study, whereas, a ...

Q: Commodity A Соmmodity B Commodity C Year Price Rs. Quantity Kg. Quantity Kg. Price Rs. Price Rs. Оиa...

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Q: The number of flaws in a certain brand of copper wire is modelled by a Poisson process. Suppose that...

A: A discrete random variable X is said to follow Poisson distribution with parameter λ, if its probabi...

Q: Find the area: Find the area under the standard normal curve. Round your answers to four decimal pla...

A: We have to find given area using standard tables.

Q: A basket contains four apples and seven peaches. You randomly select one piece of fruit and ate it. ...

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Q: 1- For example, suppose that you ask your father for some extra money. Instead of just giving you th...

A: The expected value is calculated by combined value of random variable and corresponding probability ...

Q: BUS – 173 (Applied Statistics) Determine if the following statement are True or False. If False, wri...

A: ANOVA is Analysis of Variance.

Q: If np≥5 and nq≥5 ​, estimate P(fewer than7) with n= 14 and p= .6 by using the normal distribution as...

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Q: A new sneaker claims that it can make male athletes jump higher. A sample of 36 male athletes were a...

A: It is known that,  Sample size is n= 36  Mean = 2 inches. And sample standard deviation, s= 1.3  

Q: Approximately how many policemen have waist girth less than 37.25 inches

A: The waist of 2,500 policemen is normally distributed with a mean of 35 inches and a standard deviati...