The extract of a plant native to Taiwan has been tested as a possible treatment for Leukemia. One of the chemical compounds produced from the plant was analyzed for a particular collagen. The collagen amount was found to be normally distributed with a mean of 7878 and standard deviation of 9.59.5 grams per mililiter. (a) What is the probability that the amount of collagen is greater than 7373 grams per mililiter? answer: (b) What is the probability that th

Q: in a random sample of 92 trout, the average weight is 8 pounds, with standard Heviation(s) = 0.4,…

A: Answer: From the given data, Sample size(n) = 92 mean(x¯) = 8 Standard deviation(S) = 0.4

Q: 2.A random sample of 190 cars found that 89% had an automatic transmission. Find and interpret the…

A: Note: All these are different questions, so as per answering guidelines I have to solve only one…

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A:

Q: In another species of fish, it can safely be assumed the population standard deviation for mercury…

A: The population standard deviation for mercury readings will not exceed 0.10 ppm, the sample mean…

Q: A group of biologists investigated a species of worms whose length can be characterised by a normal…

A: The objective of this question is to find the length of the worms such that only 1% of the specimens…

Q: In 2014, the CDC estimated that the mean height for adult women in the U.S. was 64 inches with a…

A: Z score represents the distance between Mean and X in terms of Standard Deviation. A Z-score of 1…

Q: A certain brand of automobile tire has a mean life span of 37,000 miles and a standard deviation of…

A: We have given that the random variable X i.e. life span is normally distributed with mean 37000…

Q: Find the mean weight of Mr. Smith's ripe watermelons if only 9% weigh less than 12 lb. (Give your…

A: Given:  Standard deviation (σ) = 2.3 lb Consider x as the required score corresponding to the 9%…

Q: A preschool teacher wanted to know the mean age of kindergarten students in her town. She took a…

A: The following information has been given: The sample size is n=40. The sample mean is x¯=5. The…

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: Empirical rule  P(-3σ+μ<X+3σ+μ)=99.73%  P(-2σ+μ<X+2σ+μ)=95% P(-σ+μ<X+σ+μ)=68%

Q: The time taken by employees at Grace Floral shop to put a bouquet together has a normal distribution…

A:

Q: A set of scores has a mean of 5.8 and a standard deviation of 2.3. Calculate the z scores for the…

A: Given Data: Meanμ=5.8 Standard deviationσ=2.3   To Find: z-score for a) 2.1 b) 5.7 c) 7.3 d) 12.4

Q: A random sample of 88 eighth grade students' scores on a national mathematics assessment test has a…

A: Answer - Given Sample size   n = 88,  sample mean x  = 281  and                The population…

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: According to the given information, we have Mean = 50 and Standard deviation = 10

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: We first find the z scores of 52 and 79 z score of 52=52-529=0z score of 79=79-529=3 This means we…

Q: The annual per capita consumption of ice cream (in pounds) in the United States can be approximated…

A: Let "X" be the annual per capita consumption of a randomly selected people living in the US consume.…

Q: The operator of a pumping station has observed that demand for water during early evening ours has…

A: The demand for water during early evening hours is exponentially distributed with mean 100 cfs

Q: A government sample survey plans to measure the total cholesterol level of an SRS of men aged 20–34.…

A: INTRODUCTION :  NORMAL DISTRIBUTION DEFINITION: A continuous random variable X is said to follow…

Q: If a normal has a mean of 33.7 and a standard deviation of 10.5, what is the value of the random…

A:

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: Given,   Mean = 56 Standard deviation = 10   The objective is to find the percentage of light bulb…

Q: The physical plant at the main campus of a large state university recieves daily requests to replace…

A: Empirical rule: The empirical rule states that, About 68% of the data values lies within 1 standard…

Q: The extract of a plant native to Taiwan has been tested as a possible treatment for Leukemia. One of…

A: GIvenMean(μ)=61standard deviation(σ)=5.9

Q: person with normal blood pressure has a systolic measurement of 120 mmHg, and a standard deviation…

A:

Q: n a process that manufactures tungsten-coated silicon wafers, the target resistance for a wafer is…

A: As the population standard deviation is not known, we will use t-distribution and perform a t-test.…

Q: The thickness of a certain grade of hardboard stocked by a DIY shop is normally distributed with a…

A: Given that  Let Xi be the thickness of a certain grade of hardboard stocked by a DIY shop is…

Q: A group of 19 people from New York and a group of 14 people from Los Angeles passed the same quiz.…

A: The provided information is x1¯=84,x2¯=83σ1=3,σ2=2n1=19,n2=14α=0.05 a. The hypothesis is…

Q: A group of biologists investigated a species of worms whose length can be characterised by a normal…

A: The objective of this question is to find the length of the worms such that only 1% of the specimens…

Q: A random sample of 58 apples are selected from an orchard and the weight of each apple is measured.…

A: Answer:- Given, sample size, n = 58  The mean weight, µ = 96.8  Standard deviation, σ = 16.6…

Q: For women aged 18-24, systolic blood pressures (in mm Hg) are normally distributed with a mean of…

A: Here the systolic blood pressure is normally distributed with mean=114.8 and standard…

Q: A person records the speeds of various cars as they drive past their house. After 100 readings, the…

A: Given,mean(μ)=23.84standard deviation(σ)=3.56

Q: Scores on a recent NYS Standardized Exam were normally distributed with a mean of 77.6 and a…

A: LetX: scores on a recent NYS standardized exam X has normally distributed i.e. X~N(μ,σ)     where…

Q: In a random sample of 87 trout, the average weight is 6 pounds, with standard deviation(s) = 0.8,…

A: Answer: From the given data, Sample size(n) = 87 mean (x¯) = 6 Standard deviation(s) = 0.8

Q: A researcher has a sample of 49 arctic plants, and wants to describe the average plant height. The…

A: The distribution of sample average of these arctic plant heights is N(8.2, 1), which is obtained…

Q: The lifespan of a certain brand of an electric motor is normally distributed with a mean value of 10…

A: Using standardisation of normal and then used z table

Q: Assume the population data in this scenario is normally distributed. a. What is the probability that…

A: Let X be the random variable from Normal distribution with mean (μ) = 120, standard deviation (σ) =…

Q: sample of university students has an average GPA of 2.78 with a standard deviation of 0.45. What is…

A: We have given that,  Let X be the GPA score from normal distribution with average or mean (μ) = 2.78…

Q: For a statistic to be a good estimator of a parameter, two properties it must satisfy are…

A: It is given that Xi~Expθ; i=1,2,3 with  EXi=θ, EX2i=2θ2, and VarXi=θ2. The sample mean of  X is…

Q: In the United States, egg sizes are set by the Department of Agriculture. A "large" egg, for…

A:

Q: The birth weight of newborn babes (measured by O'Cathain et al, 2002 n = 3226) is approximately…

A: given data normal distribution μ=3.39σ=0.55weight does  a  baby have to be in the 97% is…

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.