Math

StatisticsQ&A LibraryA food safety guideline is that the mercury in fish should be below 1 part per million (ppm). Listed below are the amounts of mercury (ppm) found in tuna sushi sampled at different stores in a major city. Construct a 90% confidence interval estimate of the mean amount of mercury in the population. Does it appear that there is too much mercury in tuna sushi? Mercury (ppm)0.510.690.100.941.370.580.89Start your trial now! First week only $4.99!*arrow_forward*

Question

A food safety guideline is that the mercury in fish should be below 1 part per million (ppm). Listed below are the amounts of mercury (ppm) found in tuna sushi sampled at different stores in a major city. Construct a

90%

confidence interval estimate of the mean amount of mercury in the population. Does it appear that there is too much mercury in tuna sushi?Mercury (ppm)

0.51

0.69

0.10

0.94

1.37

0.58

0.89

0.51

0.69

0.10

0.94

1.37

0.58

0.89

Tagged in

Math

Statistics

Find answers to questions asked by students like you.

Q: I have attached a copy of the question. Please answer section C and D of the question

A: Introduction:The test performed in this case is the one-sample t-test, with a greater than type (one...

Q: The student council is hosting a drawing to raise money for scholarships. They are selling tickets f...

A: The cost of a single ticket is $6. Total tickets are 700.There are 1 prize with $1,000, 3 prizes wit...

Q: In a poll, 69% of the people polled answered yes to the question "Are you in favor of the death p...

A: From the given question,69% of the people polled answered yes to the question.That means, P=69%=0.69...

Q: Given a population where p = 0.10, find the standard deviation of the samping distribution when n = ...

A: It is given that p is 0.10 and n is 500.

Q: Find the area of the shaded region. The graph depicts the standard normal distribution of bone densi...

A: Given that, mean (μ) = 0 and standard deviation (σ) = 1And also given, z=-1.19 from the figure

Q: The age of children in kindergarten on the first day of school is uniformly distributed between 4.73...

A: Let X be the random variable uniformly distributed between 4.73 and 5.75 years.Denote X as the age o...

Q: I have attached a picture of the question, please only answer section A, B, and C. Thank you.

A: Hello there! there are more than three subparts in the question. According to our policies we cannot...

Q: A facilities manager at a university reads in a research report that the mean amount of time spent i...

A: Since, we only answer up to 3 sub-parts, we'll answer the first 3. Please resumbit the question and ...

Q: The weight of a type of dog follows Normal distribution with mean of 10 pounds and standard deviatio...

A: Given Information:

Q: Part A, B, and C

A: The provided information are:

Q: A marketing firm wishes to estimate the standard deviation of the ages of college students. How many...

A: It is given that the margin of the error E is 0.05σ, respectively. The level of confidence is 0.95.

Q: Diastolic blood pressure is a measure of the pressure when arteries rest between heartbeats. Suppose...

A: From the given information,Let x be random variable that follows normal distribution with mean of 69...

Q: Please show TI 84 steps

A: According to the provided information, a fingerprints expert will correctly identify the match 83% o...

Q: In 2008, the Detroit Lions set an NFL record by losing all 16 regular season games. Suppose that the...

A: Consider X is a random variable which represent the number of wins out with probability of success, ...

Q: the distribution of certain test scores is a nonstandard normal distribution with a mean of 80 and ...

A: Given:Population mean (μ) = 80Population standard deviation (σ) = 3

Q: Explain the significance of the term SSBetween-subjects in a RM-ANOVA

A: Click to see the answer

Q: Many young men in North America and Europe (but not in Asia) tend to think they need more muscle to ...

A: It is given that,Sample mean = 2.35.Population standard deviation, sigma is 2.5.The sample size, n i...

Q: Please see picture

A: Poisson Arrival process:The probability Px of x packet arrivals in a time interval α is given by:

Q: At their inauguration, the ages of the first six (out of a current number of 45) presidents of a ...

A: Mean:The formula for finding mean is shown below:

Q: A fruit retailer complains to a wholesaler that 60 percent of the boxes of apples shipped to the ret...

A: Given:X: Number of boxes contain rotten applen: Sample size = 15p: Proportion of the boxes of apples...

Q: Please show TI 84 steps

A: Computation of mean and standard deviation:Here, n=300; p̂=0.40; q̂=0.60 (=1−0.40).The mean and stan...

Q: What is the total number of scores (N) for the distribution shown in the following table? X ...

A: Given data

Q: Part 1 The town of KnowWearSpatial, U.S.A. operates a rubbish waste disposal facility that is overlo...

A: Part 1: Consider M be a mean for a random variable of sample size, n equal to 4689. Since the sample...

Q: Please show TI 84 steps

A: Hello! As you have posted 4 sub parts, we are answering the first 3 sub-parts. In case you require ...

Q: A random sample of 376 married couples found that 296 had two or more personality preferences in com...

A: We need to construct the 95% confidence interval for the difference between population proportionsWe...

Q: Question 1B part b and c in photo

A: The hypotheses are given below:Null hypothesis:H0: There is no association between age and CVD .Alte...

Q: State the null and alternative hypothesis for the following: a) The average SAT in the state is repo...

A: a)Formulation of hypothesisNull Hypothesis: - mean for the local district is equal to 1010Alternativ...

Q: A population of values has a normal distribution with μ=135.9 and σ=18.1. You intend to draw a rando...

A: Given data Mean μ=135.9Standard deviation σ=18.1Size (n) = 96a)score separating the bottom 61% scor...

Q: Given a population where p = 0.10, find the standard deviation of the samping distribution when n = ...

A: It is given that p is 0.10 and n is 2,000.

Q: 1-Var-Stats x =79 Σ x=2291 Σx2 =182,361 Sx=7 σx=6.878251582 ...

A: It is given that the sample mean and standard deviation are 79 (=2,291/29) and 7.

Q: Please show TI 84 steps. Part d

A: a)t>2.718, df = 11=0.01( From Excel =T.DIST.RT(2.718,11))type error = significance level = 0.01re...

Q: To estimate the mean score ? of those who took the Medical College Admission Test on your campus, yo...

A: Part-aGivenStandard deviation = 6.5According to 68-95-99.7 rule with in one standard deviation of me...

Q: You wish to play a three-number lottery with your favorite data 8, 2 and 5. After a number is drawn...

A: Given dataThere are 3 numbersRepetition is allowedWe are drawing a single number with replacement, s...

Q: The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the rang...

A: Hi, here the data is repeated twice. Hence, consider the below data for further calculations.Data is...

Q: The caffeine content (in mg) was examined for a random sample of 50 cups of black coffee dispensed b...

A: Given sample size of black coffee cups n = 50Caffeine content mean = 110mgStandard deviation = 7.1 m...

Q: Today, the waves are crashing onto the beach every 5.3 seconds. The times from when a person arrives...

A: Let X be the random variable uniformly distributed between 0 and 5.3 seconds.Denote X as the time fr...

Q: Suppose that 30% of all students who have to buy a text for a particular course want a new copy (the...

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

Q: Assume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard ...

A: It is given that IQ score of adults is normally distributed with mean 105 and standard deviation is ...

Q: A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 50% ...

A: Given datan= 10p= 0.5probability that exactly two-fifths of the buyers would prefer green is given b...

Q: Assume that x has a normal distribution with the specified mean and standard deviation. Find the ind...

A: Click to see the answer

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those sc...

A: Consider, X be the random variable that represents the IQ scores of adults.It is provided that, X is...

Q: 38. P(1.12 -1.43) For Exercises 41 through 46, find the z value that corre- sponds to the given are...

A: 41.It is known that in a standard normal distribution, P(Z≤0) = P(Z≥0) = 0.5.

Q: 3. (a) Based on the random sample Y1 = 5.2, Y2 4.6, use the method of maximum likelihood to estimate...

A: Note:The pdf in Part (b) will be fY (y; θ1, θ2) = 1/(θ2 – θ1) if θ1 ≤ y ≤ θ2. We have solved using ...

Q: Today, the waves are crashing onto the beach every 4.9 seconds. The times from when a person arrives...

A: Let X be the random variable uniformly distributed between 0 and 4.9 seconds.Denote X as the time fr...

Q: Please use ti 84 steps

A: It is given that x is 290 and n is 500.

Q: biostatistics course, the chapter of probability

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...

Q: A population has a mean of 75 and a standard deviation of 15. You randomly sample nine people from t...

A: From the given information, the population has a mean of 75 and a standard deviation of 15. And the ...

Q: You need to select a simple random sample of three from nine friends who will participate in a surve...

A: Random number table:Here, there are 9 friends and has been assigned a number from 1 to 9. A simple r...

Q: How can graphics and/or statistics be used to misrepresent data?

A: Graphical representation or statistical data can be misleading or misrepresented. Some statistics ca...

Q: 72% of all students at a college still need to take another math class. If 34 students are randomly ...

A: In this context, X has a Binomial distribution with parameters n = 34 and p = 0.72. Since X is a dis...