9. Weights of walleye in a lake are normally distributed with mean 4.8 pounds and a standard deviation of 1.3 pounds. a. What percentage of walleye weighs below 3 pounds? b. What percentage of walleye weighs between 2 and 7 pounds? c. The DNR decided to catch bottom 10% of the walleye and release to another lake. What weight a fish must have in order to be relocated to the other lake? d. Find the 95" percentile of the weights of walleye.

Q: 1) Which sample will have the larger mean number of books read? 2) Which sample will have the larger…

A: The given histogram is:

Q: 3. The weight of a regular bag of new powdered milk are normally distributed with mean 500 grams and…

A: We have given that.   X~N( μ , ?^2 )   μ =500, ? =?   Z-score =( x - μ )/?

Q: The distribution of passenger vehicle speeds traveling on the Interstate 5 Freeway (I-5) in…

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

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A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: c) A factory produces nails, for which the length is normally distributed with the mean o 4mm and…

A:

Q: 19. Yellowstone Park Medical Services provides emergency health care for park visitors. An average…

A: Given: μ = 21.7 σ = 4.2 Formula Used: Control limits = μ ± 3σ Upper control limit = μ + 3σ Lower…

Q: What is the standard deviation of the following: 12, 47, 31, 18, 20, 35

A: Compute the mean of the data using the formula: x=∑ixin x=12+47+31+18+20+356  =1636  =27.1667

Q: 4.) Determine the range and Standard Deviation of the set of data 4, 8, 9, 11, 13, 15

A:

Q: In triathlons, it is common for racers to be placed into age and gender groups. Friends Leo and Mary…

A: d) The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the…

Q: 19. Yellowstone Park Medical Services provides emergency health care for park visitors. An average…

A: Given Information:  Mean (u) = 21.7  Standard Deviation (s) = 4.2  Sample size (n) = 10

Q: 1. The Prior to medical visits, patients are asked to complete a self-administered medical history…

A:

Q: The life span of a brand of tireis normally di stributed with a mean of 50,000 miles and a standard…

A:

Q: 10.26 According to a dietary study, high sodium in- take may be related to ulcers, stomach cancer,…

A: Answer: From the given data

Q: 2. Melvin surveyed the price of unleaded gasoline at gas stations in Davao city and Tagum City. The…

A: The following data has been provided: a.) Davao city  45.90,48.75,48.90,49.01,45.00,47.90

Q: 7) Calculate the vari ence and the standard deviation for the following data 3. 4 Number of children…

A: Given that : A frequency table is here By using this information we calc5 relative frequency and…

Q: 2. A normally distributed set of 968 values has a standard deviation of 11 and a mean of 108. Which…

A:

Q: The energy information Administration reported that the mean retail price per gallonof regu lar…

A:

Q: 1. The average grade of 2nd year students majoring in Civil Engineering is normally distributed with…

A: NOTE- AS PER POLICY I HAVE CALCULATED FIRST MAIN QUESTION ONLY      Here Given For  Civil…

Q: 7. The City Transport and Traffic Management Office (CTTMO) study of 8000 vehicles that passed the…

A: Given: The City Transport and Traffic Management Office (CTTMO) study of 8000 vehicles that passed…

Q: The results of a statewide exam for assessing the mathematics skills of realtors were normally…

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A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: b) The American Automobile Association reports that the average time it takes to respond to an…

A: Given  μ=38, σ=9.002 and n=80

Q: c) A factory produces nails, for which the length is normally distributed with the mean of 4mm and…

A: From the given information we find the solution for given problem.

Q: The blood cholesterol levels of men age 55 to 64 are approximately Normal, with mean 222 milligrams…

A: 4. Given that μ=222σ=37 (a) The percent of these men have high cholesterol is,…

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A: Given: Mean= 52.2mm Standard deviation=2.3mm. We standard normal deviation.

Q: Runzheimer International publishes data on overseas business travel costs. It reports that the…

A: The standard deviation will be obtained as given below:

Q: Assume the speed of vehicles along an open stretch of a certain highway in Texas that is not heavily…

A: Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: Assume the speed of vehicles along an open stretch of a certain highway in Texas that is not heavily…

A: Given information- Population mean, µ = 71 mph Population standard deviation, σ = 3.125 mph Let, X…

Q: The mean annual wage per employee for each state and the District of Columbia for the year 2009 is…

A: The mean annual wage per employee for each state and the District of Columbia for the year 2009 is,…

Q: What is the standard deviation of the following sample data:  24, 37, 31, 48, 19, 31.

A: Solution: x x^2 24 576 37 1369 31 961 48 2304 19 361 31 961 --- --- ∑x=190…

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A: We have to find correct answer for given data..

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A: (a) Draw the normal curve with the values from Z=–3 to Z=3

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A: For X, a random variable, the Z-score is, Z=X-μσwhere, μ=population mean             σ=population…

Q: Find Quartile Deviation for the following data. 10, 13, 9, 6, 4, 9, 18, 8, 7, 5, 14

A:

Q: c. Analyzing delivery records for 18 customers from "Jalwa" tailoring company, you found their mean…

A: Hypothesis test used estimate whether there is any mean significant difference between the sample…

Q: Calculate the standard deviation for the data set below 1, 3, 4. 5, 6, 9, 12, 16

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

Q: Assuming that the heights of college women are normally distributed with mean 65 inches and standard…

A: Given: Mean, μ=65 Standard deviation, σ=3.5

Q: The mean IQ of 200,000 current and past University of Manitoba students has been found to be 81.9.…

A: Given: Population mean μ=81.9 Population standard deviation σ=13.1 Number of people in 2016 = 29987…

Q: i. What are the mean and standard deviation of the total amount of milk and flour in Jim's…

A: Here Take  Random variable  X= no of Cup of Flour in single recipe Y=no of cup of Milk in Single…

Q: The emounts of money requested on home loan applications at Down River Federal Savings follow the…

A: It is given that mean is 79,000 and standard deviation is 16,000.

Q: 4. Find the mean and the standard deviation of the following data set: 12, 15, 12, 19, 21, 11, 13,…

A:

Q: . The distribution of passenger vehicle speeds traveling on the Interstate 5 Freeway (I-5) in…

A: Given that  The distribution of passenger vehicle speeds traveling on the Interstate 5 Freeway (I-5)…

Q: The providence health maintenance organization wants to establish a criterion for recommending…

A: Given Information Mean (µ) = 178.1 Standard deviation (σ) = 40.7

Q: 2.) A ski gondola in Vail, Colorado that carries skiers up a mountain bears a plaque stating that…

A: n=12, maximum weight = 2004 mean = 188.6  std.dev = 38.9

Q: Toby's Trucking Company determined that on an annual basis, the distance traveled per truck is…

A: Note: Hi! Thanks for posting the question. Since there are more than three sub-part questions, we…

Q: ording to a website, the mean number of apps on a smartphone in the United States is 85. Assume the…

A: Given data,Mean μ=85sd     σ=23Find the 55th percentile of the number of apps

Q: What is the population mean, population variance and population standard deviation of the given…

A: Mean = ΣXi/n = (160+150+165+180+175+172)/6 =167 Variance= ΣXi2/n -(mean2)…

Equations and Inequations

Equations and inequalities describe the relationship between two mathematical expressions.

Linear Functions

A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.