Pumpkin weights have a mean of 18 lbs and a standard deviation of 6 lbs!” Assume that the weight of the basket does not add significantly to the weight. (a) Describe the sampling distribution of ?̅, the mean weight of the pumpkins: (Shape, center, dispersion): (b) If the basket contains 12 pumpkins, what is the probability that the mean weight is less than 20 lbs? (c) If the basket contains 45 pumpkins, what is the probability that the mean weight is more than 20 lbs?

Q: Which of the following describes the sampling distribution of the sample mean?

A: Let , X→N(μ=1950 , σ=500) , n=100 By using central limit theorem , The sampling distribution of the…

Q: Joan’s finishing time for the Bolder Boulder 10K race was 1.76 standard deviations faster than the…

A: Given   x=μ+1.76 σ   ∴z=1.76 ∵1.76 SD  above mean       n=420 women

Q: Joan's finishing time for the Bolder Boulder 10K race was 1.78 standard deviations faster than the…

A: From the provided information, Joan’s finishing time for the Bolder Boulder 10k race was 1.78…

Q: The mean is approximately (Round to the nearest whole number as needed.)

A: It is given that  n1 = 7 X̄1 = 240 n2 = 4 X̄2 = 190

Q: Would it be unusual for a data value to be more extreme than 4.76 standard deviations from the mean?…

A: In a normal distribution, data values that lie more than 4.76 standard deviations from the mean are…

Q: Please explain how to do these questions.  Using this data set attached:  1. Consider the…

A: 1. Two surveys are made for 12-month proportion high risk drinking, between men and women , in  a.…

Q: For the following data set, complete the table and determine the mean, median, mode, and standard…

A: The mean is calculated using the formula x¯=∑fx∑f The median is calculated using the formula…

Q: joan’s finishing time for the Bolder Boulder 10K race was 1.83 standard deviations faster than the…

A: The Standard Normal distribution is the particular case of normal distribution. The sum of square of…

Q: Is the difference between the mean annual salaries of entry level architects in Denver, Colorado,…

A: Step 1:Step 2:P value=0.453 (3 decimal places) Step 3:Decision: Since, p value> level of…

Q: Listed below are the amounts​ (dollars) it costs for marriage proposal packages at different…

A: x x2 40 1600 50 2500 50 2500 55 3025 60 3600 75 5625 90…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: Let, X=the distance of fly balls hit to the outfield (in baseball) Given that X is normally…

Q: Section 2. Assume again that you are a wildlife biologist studying morphological cha turtles. Now…

A: Sample size n=36Sample mean=99Sample standard deviation=16

Q: C.I fm cf < m -i (m – x)² (т - х)? m 55 – 59 3 50 – 54 6 45 – 49 7 40 – 44 9 35 – 39 6 30 – 34 25 –…

A: Note: As per bartleby instruction when more then one question is given only one has to be answered.…

Q: A positively skewed population has a mean of ? = 100 and a standard deviation of ? = 15. a. What is…

A: Mean of , μ = 100 Standard deviation of , σ = 15   What is the mean of the distribution of sample…

Q: Using the Karl Pearson's measure of Skewness, find the coefficient of skewness for each…

A: Since you have posted multiple sub-parts, we will solve the first three sub-parts for you. To get…

Q: .In university’s football team average weight of players is around (72) kg, and the standard…

A: Given Information: Heights of football team players are normally distributed. Mean μ=72  Standard…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: Given information- Population mean, µ = 255 feet Population standard deviation, σ = 43 feet Let, X…

Q: Listed below are the errors between the predicted temperatures and actual temperatures of a certain…

A: Given that, the errors between the predicted temperature and actual temperature of a certain city,…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A:

Q: You interview 100 college sophomores , and you ask how much they earned the previous summer. You…

A: We have given that the 100 sophomores. Here we need to use the median to describe the centre of the…

Q: For the Given values of 81, 93.5, 79.8, 96.7 and 73.8, Calculate (i) Mean (ii) Algebraic Sum of…

A:

Q: The lengths of lumber a machine cuts are normally distributed with a mean of 88 inches and a…

A: Given,Mean μ = 88Standard deviation σ = 0.6

Q: V. For the following data set, complete the table and determine the mean, median, mode and standard…

A: Given information: The incomplete table of the data set is provided with the class intervals and…

Q: The percent fo Coloradans that own a Subaru is 56%. If you were to take a random sample of size 70,…

A: We have given that,  Let X be the random variable from binomial distribution with probability (p) =…

Q: Joan’s finishing time for the Bolder Boulder 10K race was 1.83 standard deviations faster than the…

A:

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A:

Q: What is the age distribution of adult shoplifters (21 years of age or older) in supermarkets? The…

A: Introduction: For a grouped data with k classes having class marks xi, class frequency fi (i = 1, 2,…

Q: On a measure of artistic ability, the men for college students in new zealand is 150 and tthe…

A: Given mean = 150Standard deviation = 25The Z score is calculated using the below mentioned formula…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A: GivenMean =253Standard deviation =45 a)Let X be distribution of distance of fly balls hit to…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

A:

Q: Listed below are prices in dollars for one night at different hotels in a certain region. Find the​…

A: x x2 162 26244 164 26896 213 45369 166 27556 89 7921 202 40804…

Q: Suppose the price for pomegranates in NYC have a mean of $1.25 with a standard deviation of $0.15.…

A:

Q: A student studying statistics wants to look at data for his favorite sport, American football. He…

A: It is given that that a student collect data on the lengths of 100 field goals from various games…

Q: A grocer finds that the cantaloupes in his store have weights with mean 0.7 kg and standard…

A: Given, Mean weight of cantaloupes is 700 gm. Standard deviation is 53 gm

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.