Mars. Inc., claims that 24% of its M&M plain candies are blue. A sample of 100 M&Ms is randomly selected. A) Find the mean and standard deviation for the numbers of blue M&Ms in such groups of 100.  Mean is___________ standard deviation is_________ ( round to two decimal places) B) A random sample of 100 M&Ms in which 36 are blue. Is this result unusual, only answer the question use the word yes or no?_______

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: The results from a recent 10-point quiz are as follows: 10, 8, 10, 6, 7, 3, 5 a. What is the mean…

A: According our policy we can answer only first three subpart for remaining please repost the…

Q: The two samples  whose statistics  are given in the table  come from populations that are normal…

A: Given that, sample size (n1)=10  , sample mean (X1) = 129.44 , standard deviation (s1)= 9 sample…

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Q: . About what percent of x values lie between the first and third standard deviations (both sides)?…

A:

Q: 11. A sample of 50 people has a variance of 9. In that case, the standard deviation is a. 3; 441 b.…

A:

Q: A single data point has a(n) ____ chance of falling within plus and minus two standard deviations of…

A: Let , assume that an average and a standard deviation are calculated using a large number of…

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A: We have given the data on Gender and their hours of sleep. We have to find the mean and standard…

Q: Suppose that the sample dataset of July 1 temperatures consisted of 64 observations and that these…

A: given data standard deviation s = 4 sample size n = 64

Q: A population contains five individuals. The following data is collected from them.   5 8 9 4 6…

A: Population data is: 5 8 9 4 6

Q: Given the set of numbers: {1, 4, 3, -4}, find their variance and standard deviation. [Hint: For…

A:

Q: Two samples of scores on a survey are as follows: Sample A: 10 7 6 Sample B: 183 10 112 7 28. What…

A:

Q: Below are the jersey numbers of 11 players randomly selected from a football team. Find the range,…

A: Given data: 40, 91, 95, 39, 96, 78, 23, 98, 37, 85, 9

Q: Aresearcher daims that the stomachs of blue crabs from Location A contain more fah than the stomachs…

A: It is been asked to test whether the stomachs of blue crabs from location A contains more fish than…

Q: Two samples of scores on a survey are as follows: Sample A: 10 7 6 8|7 9 Sample B: 183 10|1|12 7 26.…

A:

Q: Q 1. According to a Boston Globe story, only about 1 in 6 Americans have blue eyes, whereas in 1900…

A: given  only about 1 in 6 Americans have blue eyes, whereas in 1900 about half had blue eyes

Q: Intelligence quotas on two different tests are normally distributed. Test A has a mean of 100 and a…

A:

Q: When a sample size from a population is n = 1, then the standard error will always equal the _____.…

A: Given that, Sample size, n = 1

Q: The brain volumes ​(cm3​) of 20 brains have a mean of 1184.6 cm3 and a standard deviation of 122.5…

A: Given mean,  x=1184.6 cm3      Standard deviation, σ = 122.5 cm3          n =20      By using range…

Q: When a random sample of participants is selected from a population, the sample mean is not expected…

A: See the below answer

Q: Consider a binomial distribution. About 35% of all college students are currently enrolled in an…

A: Given : Probability of success = p = 0.35 Number of sample = n = 25

Q: Question: A sample of 25 items has a mean of 45 and a standard deviation of 5. What is the standard…

A: Introduction: The standard error of the mean (SEM) is a measure of the variability of the sample…

Q: In an certain species of newt, offspring are born either green or black. Suppose that 45% of these…

A: Given, 45% of these newts are born green. A random sample of size 167.

Q: Suppose that another sample of resting heart rates for five Math students was obtained: 72, 68, 66,…

A: From the given data we want to know the data value .

Q: The quality-control manager at a light bulb factory needs to determine whether the mean life of a…

A: We have given that  Sample size n=64  Sample mean = 350 Standard deviation = 100 Note :-According to…

Q: Intelligence quotas on two different tests are normally distributed. Test A has a mean of 100 and a…

A:

Q: The range is based on the largest and the smallest values in the data set, that is, only two values…

A: The given data sets are Sample A=1, 2, 3, 4, 5Sample B=10, 20, 30, 40, 50Sample C=1, 2, 3, 4, 100

Q: 2.38 Baggage fees: An airline charges the following baggage fees: $30 for the first bag and $40 for…

A: We have to find out the expected value and standard deviation.

Q: In statistics and research, we commonly use the z-score, which is the most basic standard score. One…

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Q: In a study of speed dating, female subjects were asked to rate the attractiveness of their male…

A: Range of a data set is the difference between the minimum and maximum observations.

Q: Consider two populations in the same state. Both populations are the same size (22,000). Population…

A: The following solution is provided below :

Q: 4   4   3   4   0   2   1   6   5   7

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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

Q: A set of exam scores is normally distributed with a mean = 72 and standard deviation = 4. Use the…

A: Here we need to use the empirical rule to complete the given statements. Also given that mean = 72…

Q: 14. Find the standard deviation from the following data : 50 60 70 Age under No. of persons dying:…

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Q: A simple random sample is taken from a population and yields the following data for a variable of…

A: A random sample of 10 observations is given. We have to find the point estimate for the population…

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Q: A random of 22 fifth grade pupils have a grade point average of 5.02 in Math and a standard…

A: One sample t-test: One sample t-test is used to test the significance difference between population…

Q: Sum of a pair of die 2 3 4 5 6 7 8 9 No. of appearances 5 7 1 8 1 2 6 10 8 11 7 12 1 In a game of…

A:

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.