c. The probability that the the child will be older than 5 years old? d. The probability that the child will be between 538 and 5.58 years old is e. If such a child is at the 9th percentile, how old is that child? years old.

Q: Cite five (5) research questions used in real life and formulate your null and alternative…

A: 1) H0: No more than 30% of the registered voters in Santa Clara County voted in the primary…

Q: For a standard normal distribution, find: P(-3.59 < z <.05)

A: Given z be the standard normal variable. We need to find p(-3.59&lt;z&lt;0.05)

Q: 4) Answer the following 10- + -10-8 10 X ts] x-intercept: y-intercept: Find y when x = 6,

A: A line is passing through two points, namely, 0,-4 and 2, 0. Then, the equation of this fitted line…

Q: Mean Square ISR = 16058.9

A: *Answer:

Q: Direction: Complete the following statements. _____________ is a point on the test distribution…

A: According to policy, we supposed to answer first question, kindly repost remaining question.

Q: I. Consider the data set of the heights of all babies born in the Philippines during a particular…

A: Given that - The data set of the heights of all babies born in the Philippines during a particular…

Q: The mean amount of time it takes a kidney stone to pass is 12 days and the standard deviation is 4…

A:

Q: Suppose that the duration of a particular type of criminal trial is known to be normally distributed…

A: Solution-: Given: μ=17,σ=5 Let, X= The number of days for a randomly selected trail We want to find,…

Q: 2. We have two random variables representing returns on two assets: X₁ and X₂. They have the…

A:

Q: Researchers wondered if there was a difference between males and females in regard to some common…

A: The number of females responded yes is 202 and the total number of females is 522.

Q: iven P(A^c-complement)=0.40 P(B)=0.25 P(AUB)=0.75 P(A)=0.60 What is P((AnB)^c-complement)   I…

A: Solution:  Given information: P(AC)= 0.40P(B)=0.25P(A∪B)=0.75P(A)= 0.60

Q: In a survey of 400 UAE residents, 72 said they trust cryptocurrencies. Find the Lower Confidence…

A:

Q: 7636 The melting point of each of 16 samples of a certain brand of hydrogenated vegetable oil was…

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Q: Consider the hypothesis test Ho: o2 = 02 against H₁: o² <o2 respectively. Suppose that the sample…

A: Given : n1 = 10 s1²= 28.8 n2 = 5 s2²= 23.2

Q: A probability mass function for a particular random variable y having nonnegative integer values is…

A:

Q: Tiple covariance Szy Sample formula ¸Σ₁=₁(x¡—x)*(Yi−y) n-1 Sxy=

A: The provided information is xi yi (xi-x¯) (yi-y¯) 33 6 (33-30.4)=2.6 (6-3.2)=2.8 31 4…

Q: A class uses weighted averages to calculate your course grade.  Homework, quizzes, and discussions…

A: Given Information: Average used= Weighted averageFor Homework(W1)=25%For Quizzes(W2)=…

Q: 9. Show that the distribution, for which the characteristics function is e, has the density function

A:

Q: Assume that 100 students are registered for the  course. a) What is the probability that two or…

A: Let X be the number of students withdraw without completing the introductory business analytics…

Q: A statistician is employed by a car industry. They wish to establish the relationship between a set…

A: mtcars dataset&gt;head(mtcars) M mpg cyl disp hp drat wt qsec vs am gear carb…

Q: Show that the characteristic function of Laplace distribution -ixl ƒ(x) = = 12e²¹x¹.. е 18<x<8 1 is…

A:

Q: 3. Obtain the moment generating function of the binomial distribution. Derive from it the result…

A:

Q: (a) Make a scatter diagram of the data and visualize the line you think best fits the data. 1000 140…

A: Given, X Y 1004 40 975 100 992 65 935 145 985 77 928 148 Formula:  r=bxy×byx…

Q: Construct a probability plot and observe if the data points follow a linear trend. Perform a…

A: First, we will input the data values for the expected number of customers each day in one column and…

Q: Consider the hypothesis test Ho: ₁ = ₂ against H₁:₁₂. Suppose that sample sizes are n = 10 and n₂ =…

A:

Q: west Wales was collected for different age groups. Do the data in the table show that the observed…

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Q: A sociologist is studying the prevalence of crime in one major city. In a sample of 275 randomly…

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Q: suppose that we wish to estimate the mean time spent by ZU female students on social media per day…

A: Given that  Sample size n =28 Degree of freedom =df = n-1

Q: An insurance company collects data on seat-belt use among drivers in a country. Of 1600 drivers…

A:

Q: cumulants are m. for Poisson distribution with parameter m, all the

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Q: Consider a drug that is used to help prevent blood clots in certain patients. In clinical trials,…

A: From the provided information, Sample size (n) = 6047 From which 150 developed the adverse reaction…

Q: 21-30. Mean, Variance, and Standard Deviation of the sampling distribution. X-P(X) X² Sample…

A:

Q: How many unique random numbers need to be selected from the table of random digits? 3 400 800 1,200

A:

Q: PSOHS had administered an IQ level test to 15 randomly selected G11 students. And the result they…

A: From the provided information, Sample size (n) = 15 Sample mean (x̄) = 110 Standard variance (s2) =…

Q: The records of a computer retail store show that out of the 25 customers who purchased a desktop…

A:

Q: In a study treatments for very painful "cluster" headaches, 151 patients were treated with oxygen…

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Q: Characteristics Treatment Control P-value Mean SBP   115.3889± 113.0588±6.805     Mean…

A: The p-value is nothing but the how likely it is that your data could have occurred under the null…

Q: Suppose that a random sample of 9 adults has a mean score of 76 on a standardized personality test,…

A: Given  Sample size n=9, sample mean x̄=76, sample standard deviations s=7,  Level of significance…

Q: (5) Based on the mean and standard deviation, which of the scores are extremely high or extremely…

A: The z-score of the given data values tells how far raw data is from the mean in terms of the…

Q: Five years ago 39% of children in a certain region lived with someone other than a parent. A…

A: From the provided information, Sample size (n) = 2750 From which 119 lived with someone other than…

Q: sampling and alternative hypotheses, (b) the test statistic, and (c) the P-value. Assume the samples…

A: Given that  Sample sizes n1=120 , n2=137 Favorable cases x1=251 , x2=312

Q: 2. If the population is infinite or the population is finite in which sampling is with replacement,…

A: Given that  If the population is infinite or finite with replacement  Then the sampling distribution…

Q: Q1/ A sample of 6 beams was selected the value of their deflections (x variable) and their weight is…

A: The provided information is  x  (Def.) y   (Weight) xy x2 7 12 84 49 6 8 48 36 8 12 96 64…

Q: Vp Pq n

A: Given that

Q: You are given the sample mean and the population standard deviation. Use this information to…

A: Given Mean=110.50 Standard deviations=10.76 n=44

Q: d. Between 1 and 9 (including 1 and 9) of them live in poverty.

A: We have given the following information Population proportion = 0.08 Sample = 50

Q: Researchers wondered if there was a difference between males and females in regard to some common…

A: Given: 1): No of males n1=505  No of favorable case x1=171 respond yes  2): No of females n2= 522…

Q: According to the following biplot, the most correlated variables in the data set from which we got…

A: Solution: The biplot with respect to first two principal components is given.

Q: A simple random sample from a population with a normal distribution of 103 body temperatures has…

A: From the provided information, Sample size (n) = 103 Sample standard deviation (s) = 0.61 Confidence…

Q: For a standard normal distribution, find: P(-0.68 < z < 1.52)

A: