X is Normally distributed with a mean of 500 and a standard deviation of 40. What is the value of the 95th percentile? (The value of x such that 95% of the population is smaller than that.)

Q: Using Excel function Please solve the following : A particular fruit's weights are normally distribu...

A: Given, A particular fruit's weights are normally distributed, with a mean of 304 grams and a standar...

Q: Using excel function solve the following  A particular fruit's weights are normally distributed, wi...

A: Given : A particular fruit's weights are normally distributed, with a mean of 504 grams and a standa...

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Q: a. Using Excel, develop a multiple regression equation for these data. b. What is the coefficient of...

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case yo...

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Q: The amount of sugar was measured for a sample of 30 different breakfast cereals. The sample mean amo...

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Q: Based on a poll, among adults who regret getting tattoos, 22% say that they were too young when they...

A: As per guidelines expert have to answer first question only dear student please upload other subpart...

Q: Exercise 08.02 Algo (Population Mean: Sigma Known) A simple random sample of 60 items from a populat...

A: Given information sample size n=60 Sample mean x=31 Population SD σ=9

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Q: the IRS, individuals filing federal income tax returns prior to March 31 received an average refund ...

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a...

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Q: A typing school claims that in a six-week intensive course, it can train siudents to type, on the av...

A: Given:   Student WPM A 81 B 76 C 53 D 71 E 66 F 59 G 88 H 73 I 80 J 66 K 5...

Q: Example 7.36. Let {Xx be mutually indepenaent, each assuming the values 0, 1, 2.3 ..., a - 1 with pr...

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Q: Which of the following statements is NOT TRUE about measures of variability? a. Range is a quick but...

A:  Option C is correct because  the value of variance is always nonnegative  And as we know that  rang...

Q: "Estimate the production for the years 1955 and 1965 with the help of the following table 1940 1950 ...

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A: Given, The instructor takes a random sample of size from the population data and obtains the followi...

Q: C. Direction: Complete the table by converting the given values into z-scores. Then find the corresp...

A: SR.No. Z-score Approximate area 1 2.4 0.9918 2 -1.4 0.0808 3 0.6 0.7257 4 -1.75 0.0401 5 0...

Q: In a post office, it is known that 4% of its parcels are mis-delivered each day. An agent is tracing...

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Q: Colculate ;) the probobility distribution functonlpdf) ot min (x,g) =m and mox(m,s)-M :) Colculate ,...

A: Given the variables minx,y=m and maxx,y=M

Q: Suppose the age that children learn to walk is normally distributed with mean 13 months and standard...

A: As per guidelines expert have to answer first question three subparts only dear student please uploa...

Q: Exercise 08.13 Algo (Population Mean: Sigma Unknown) The following sample data are from a normal pop...

A: The following sample is given:  10, 8, 12, 14, 13, 11, 7 , 5.

Q: Draw the two ogives for thhe following distribution showing the number of marks of 59 students : Mar...

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Q: Frequency distribution of marks obtained by 90 students is given below. Compute: (a) Arithmetic mean...

A: Answer: For this computation first we compute mid-points of each class interval. And take the substi...

Q: Draw the two ogives for thhe following distribution showing the number of marks of 59 students : Mar...

A: Given : Total frequency (N) =59 Marks No. of students 0-10 4 Oct-20 8 20-30 11 30-40 15 ...

Q: Ha: p< 0.65 A sample of 300 items was selected. Compute the p-value and state your conclusion for ea...

A: GivenH0:p≥0.65Ha:p&lt;0.65sample size(n)=300α=0.05

Q: From the following data calculate the missing frequency : No. of tablets : 4–8 8–12 12–16 16–20 20–2...

A: Given frequency table is No.of tables 4-8 8-12 12-16 16-20 20-24 24-28 28-32 32-36 36-40 No. of...

Q: (a) Karl Pearson's coefficient of skewness for a distribution is - 0.4, its mean is 50 and coefficie...

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Q: A walk-in medical clinic believes that arrivals are uniformly distributed over weekdays (Monday thro...

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Q: Derive the moment generating function of X ~ Bi(n, p) and using the MGF compute E[X] and Var[X].

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Q: Suppose you wanted to create an index for rating the quality of colleges and universities. What are ...

A: An index is a composite statistic.

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A: Binomial distribution is used in the cases where n same event occur with two chance of occurrence. T...

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Q: the couple plans to have 5 children   How many probable combinations will there be if the couple w...

A: Let there are three students X, Y and Z sitting beside each other. The different ways in which this ...

Q: R² and r are defined by SR E(*; – T)(yi – ỹ) Say R? SST' r = VE(x; – #)² L(yi – g)² (1) Show R² = p2...

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

Q: Find mean for the following data : Class-interval: 50-59 40-49 30-39 20-29 10-19 0-9 Frequency: 3 10...

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Q: If the probability of a bad reaction from a certain injection is 0.001, determine the  chance that o...

A: Given: Probability of a bad reaction is, p= 0.001 Sample size, n=3000

Q: Given the list of six numbers: 1, 2, 13, 50, 60, 62. If the number 70 is added to the list as the se...

A: Given data is 1,2,13,50,60,62Arrange the data in ascending order1,2,13,50,60,62Mean = sum of the dat...

Q: Suppose an individual is selected at random from the group surveyed. What is the probability the ind...

A: From the provided table, The total individual=2624  1. The probability that the individual earned a ...

Q: During the class project for Marketing Research, you wanted to understand whether there is a differe...

A: ANOVA is an appropriate statistical test to understand whether there is difference in spend for 3 ca...

Q: 12. An insurance company estimates that the probability that an individual in a particu risk will su...

A: Since you have posted multiple questions, as per our guidelines, we have answered only 1 question. P...

Q: Irite legibly. Avoid ndond 7. Test each given null hypothesis Ho against the given alternative hypot...

A: We have to test given hypothesis .

Q: Example 8. Find the elasticity of demand, e̟for the demand function x= 50 - 4p² at p= 1 2nd at p = 3

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Q: Analyse the frequency distribution by the method of moments: X: 3 4 f. 1 3 7 S3

A: The moments are used to measure the deviation of data from the arithmetic mean. It used to measure t...

Q: 6. D,= - D, =, Class Intervals 20-24 3 25-29 8. 30-34

A: Given :  Class Frequency, f 20 - 24 3 25 - 29 8 30 - 34 8 35 - 39 11 40 - 44 8 45 - 4...

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A: Given data is115,119,119,134,121,128,128,152,97,108,98,130,108,110,111,122,106,142,143,140,141,151,1...

Q: A random sample of 460 ball bearings chosen at random from a very large consignment is found to have...

A: n=460, x̄=0.45,s=0.58