f 10 corn snacks of a particular brand has a mean MSG content of 8 milligrams with a standard deviation of 3.8 milligrams. Test the manufacturer's claim that the MSG content does not exceed 6.5 milligrams. Use 0.01 level of significance and assume that the distribution is approximately normal.

Q: The weights of salmon grown commercially are normally distributed with a standard deviation of 1.2…

A: Given information Sample mean = 7 pounds Population mean = 7.6 Sample size = 16 Population Standard…

Q: A marine biologist claims that the mean length of mature female pink seaperch is different in fall…

A: From the given information, Consider, X1=110,  X2=109s1=13,     s2=7n1=15,    n2 =8 Thus,

Q: A manufacturer of hard safety hats for construction workers is concerned about the mean and the…

A: Given information Population mean, µ = 800 pounds Population standard deviation, σ = 40 pounds…

Q: A frontliner commutes daily from his home to work. The average time for a one-way trip is 35…

A: Let , X be the time Let , X→N(μ=35 , σ=5) Since , his work starts ate 9:00 AM and he leaves his…

Q: An insurance agent says the standard deviation of the total hospital charges for patients involved…

A:

Q: A normal distribution has a mean of 20 and a standard deviation of 4. Determine the z-score for the…

A: Given that a normal distribution has a mean of 20 and a standard deviation of 4.  We need to…

Q: The lifetime of a 2‑volt non‑rechargeable battery in constant use has a Normal distribution, with a…

A: It is known that X is the lifetime of a 2‑volt non‑rechargeable battery with mean 516 hours and a…

Q: The lifetime of a 2‑volt non‑rechargeable battery in constant use has a Normal distribution, with a…

A: It is known that X is the lifetime of a 2‑volt non‑rechargeable battery with mean 516 hours and a…

Q: The daily income of bank auditors in SSS Commercial Bank is normally distributed with a mean of P675…

A: Given

Q: In a random sample of 8 cell​ phones, the mean full retail price was ​$521.70 and the standard…

A: A random sample of 8 cell​ phones, the mean full retail price was ​$521.70 and the standard…

Q: Is there a difference in the weights of contents in a can of Diet Coke versus a regular can of Coke?…

A: Solution:Null and alternative hypotheses:Null hypothesis: µ1−µ2 = 0Alternative hypothesis: µ1−µ2 ≠…

Q: Suppose babies born after a gestation period of 32 to 35 weeks have the mean weight of 2800 grams…

A: To determine which baby weights are more relative to the gestation period, for that it is needed to…

Q: A major department store has determined that its customers charge an average of $500 per month, with…

A:

Q: A quick survey of peanut butter prices had standard deviation and mean of $0.26 and $3.68,…

A: Given that  Mean=3.68 , Standard deviation=0.26 Find P(3.50<X<4.25)

Q: A set of data items is normally distributed with a mean of 20 and the standard deviation of 8.…

A: z-score: A z-score describes how many standard deviations a data item in a normal distribution lies…

Q: The length of time it takes a Grade 11 student to play the Candy Crush computer app follows a normal…

A: Given that  The length of time it takes a grade 11student to play the candy crush computer is…

Q: The mean weight of 500 male students at a certain college is 80 kg, and the standard deviation is 8…

A:

Q: Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 3000 grams and…

A: According to the given information, we have Mean (32 to 35 weeks)= 3000 grams Standard deviation (32…

Q: A batch of 1500 bottles have an average contents of 753 ml and the standard deviation of contents is…

A: Given information- Population mean, µ = 753 ml Population standard deviation, σ = 1.8 ml Sample…

Q: Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 2500 grams and…

A:

Q: The mean weight of 500 male students at a certain college is 80 kg, and the standard deviation is 8…

A:

Q: hundredth, for a tire that provided 46,900 mi of wear. z46,900 =  (b) The z-score for one tire was…

A: It is given that Mean = 41100 Standard deviation SD = 4700

Q: Assume that adults have IQ scores that are normally distributed with a mean of 103 and a standard…

A: It is given that the IQ scores follow normal distribution with mean 103 and standard deviation 15.…

Q: Assume that z-scores are normally distributed with a mean of 0 and a standard deviation of 1. If P(–…

A: Given X is normally distributed X ~ N(0,1)

Q: A physician claims that joggers' maximal volume oxygen uptake is greater than the average of all…

A:

Q: A marine biologist claims that the mean length of mature female pink seaperch is different in fall…

A: Here , 2 sample t test ( Equal variances) is applicable

Q: At a local restaurant, the amount of time that customers have to wait for their food is normally…

A:

Q: Assume the mean useful life of a particular light bulb is 2,000 hours, which is normally distributed…

A: It is given that the mean and standard deviation of a particular light bulb are 2,000 and 300 hours,…

Q: The lifetime of a 2‑volt non‑rechargeable battery in constant use has a Normal distribution, with a…

A: It is known that X is the lifetime of a 2‑volt non‑rechargeable battery with mean 516 hours and a…

Q: The quality-control manager at a compact fluorescent light bulb (CFL) factory needs to determine…

A:

Q: The average income in Boston is 6200 witha standard deviation of 8000, while the average income in…

A: GivenFor BostonMean(μ)=6200standard deviation(σ)=8000For chicagoMean(μ)=48000standard…

Q: The heights of a population of adult male red kangaroos are approximately normally distributed with…

A: Given : The heights of a population of adult male grey kangaroos are approximately normally…

Q: The 2008 General Social Survey asked a large number of people how much time they spent watching TV…

A: According to the given question, The 2008 General Social Survey asked a large number of people how…

Q: Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 2600 grams and…

A: Given that, Mean (Gestation period of 32 to 35 weeks) = 2600 Standard deviation (Gestation period of…

Q: An instructor in a large lecture class found, at the end of the semester, that the total point…

A: Given information- Population mean, μ = 530 Population standard deviation, σ = 80 We have given…

Q: A nutritionist, claims that the average number of calories in a serving of popcorn is 75 with a…

A:

Q: A recent study found that 61 children who watched a commercial for potato chips featuring a…

A: Denote μ1, μ2 as the population mean weights of potato chips eaten by children who watched the​…

Q: The sales representative for manufacturer of new products claims that the product will increase…

A: State the hypotheses. That is, the product average increase output per machine be at least 28 units…

Q: prospective purchaser wishes to estimate the mean rand amount of sales per customer at a toy store…

A: Formula for the sample size needed to estimate a population mean is

Q: A nutritionist claims that children 13 to 15 years old are consuming less than the recommended iron…

A: We have given that,  Population standard deviation (σ) = 4.75 and margin of error (E) = 1 and…

Q: he weight of 10 boxes of a certain brand of cereal have a mean content of 278 grams with a standard…

A: Given : Sample size of boxes = 10 w : Weight p : Price Mean (X¯w)=278S.D (Sw)=9.64Mean (X¯p)=1.29S.D…

Q: A recent study showed that the average number of sticks of gum a person chews in a week is 11. A…

A:

Q: he Visa credit card company has determined that the amount its customers spend per transaction is…

A:

Q: A report in a US magazine claims that the average age of commercial jets in the United states is 14…

A: From the given information, Sample size(n) =36

Q: Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 3000 grams and…

A: The z score value can be find by using the below standard normal z score formula         z=x-μσ…

Q: A radio station claims that the amount of advertising per hour of broadcast time has an average of…

A: It is given that, A radio claims that the amount of advertising per hour of broadcast time has an…

Q: A fast food restaurant estimates that the mean sodium content in one of its breakfast sandwiches is…

A:

Q: An orange juice producer buys all his oranges from a large orange grove. The amount of juice…

A: An orange juice producer buys all his oranges from a large orange grove. The amount ofjuice squeezed…

Q: A researcher claims that the amounts of acetaminophen in a certain brand of cold tablets have a…

A: Hypothesis: Hypothesis is an assumption about the parameter of the population which will be made…

Q: Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 3000 grams and…

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.