Eight independent measurements were made along a line and the standard deviation was found to be 10.55. Determine the error at 99.7% probability. State you answer to two decimal places.
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A: Givenp^=0.05sample size(n)=300
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A: Given that Assume the readings on the thermometer is normally distributed . Mean = 0 degree…
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A: Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: Find the sample standard deviation. The top five scores on last semesters midterms were 90 97 100 90…
A: The question is about measures Given : Data - 90, 97, 100, 90, 93 To find : Sample std. deviation
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Q: A consumer survey indicates that the average household spends μ = $185 on groceries each week. The…
A: From the provided information, Mean (µ) = $185 Standard deviation (σ) = $25 Let X be a random…
Q: You measure the height of 10 people and come up with an average of 70 inches and a standard…
A: x=70s=4n=10 The t scores for 68 inches, t=68-xsn=68-70410=-1.581139
Q: Cody took his first physics exam and scored an 80. The population mean for this exam is 70, and the…
A: Solution: It is given that, Population mean, 70 Standard deviation, 5 Given that Cody took his first…
Q: Compute the standard deviation of the sampled proportions if p=.4 and n=500. Round to three places.
A: We want to find standard deviation X~Binomial(n=500,p=0.4)
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Q: Trucks in a delivery fleet travel a mean of 130 miles per day with a standard deviation of 39 miles…
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Q: Adult men have an average height of 69.0 inches with a standard deviation of 2.8 inches. Find the…
A: given data, μ=69.0σ=2.8height of a man with a z-score of -1.75 =?
Q: 5. Find the standard deviation. (Round to 3 decimals.)
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A: Given: Sample size (n) = 424 p(chocolate bars with a new mystery flavor) = 5.17% = 0.0517
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Q: On a nationwide math test, the mean was 72 and the standard deviation was 7. If Roberto scored 90,…
A: Given that, Mean = 72 Standard deviation = 7
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A: It is given that, A student takes a multiple-choice test that has 6 questions i.e. n=6 Each…
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Q: Provide an appropriate response. Use the Standard Normal Table to find the probability. IQ test…
A: Solution :- Given data :- μ = 105σ = 13x ^ = 122 Using Z-Score Formula :- z=x^-μσ
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A: Given: Population mean (µ) = 10.75 Population standard deviation (σ) = 2.40 z-score = 1.36
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Q: Find the standard deviation of the following set of scores. 10, 2, 38, 23, 38, 23, 21, 23
A: From given data, set of score: 10, 2, 38, 23, 38, 23, 21, 23 Count, N = 8 Sum, ∑x = 178
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Q: According to the bookstore, 79% of students sell their used books back to the bookstore after the…
A: Givensample size (n) = 75p=0.79
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A: Let p denote the propprtion of poor welds. Given that p = 5% = 0.05 Sample size n = 300
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A: Given Mean(μ)=60standard deviation(σ)=15
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- Select the letter of the correct answer: A random variable X has a mean of 45 and a standard deviation of 11. Find the corresponding z-score for x=22. Choices: A. -2.09 B. 1.54 C. 0.24 D. -1.54FInd the Dispersion (Range, Variance, Standard Deviation, Coefficient of Variation - whichever is appropriate to the variable).Compute the standard deviation of the sampled proportions if p=.8 and n=50. Round to three places.
- A particular fruit's weights are normally distributed, with a mean of 334 grams and a standard deviation of 6 grams. The heaviest 11% of fruits weigh more than how many grams? Give your answer to the nearest gram. Check AnswerWrite down the formulas for the standard deviation of p.Five hundred children participated in a field demonstration. Their heights averaged 110cm with a standard deviation of 6cm. How many children belong to the upper 25% of the group?
- A survey of Forbes subscribers found the following information about the distribution of corporate credit cards. Assume that the subscription to any credit card is independent of each other. American Express 40% MasterCard 25% Visa 20% Discover 15% Others 5% What is the probability that a randomly chosen Forbes subscriber holds both an American Express and Visa corporate credit cards? Answer choices below: .4 .05 0 .5 .45A farm hatches chicken eggs in batches of 15 and there is a 3% infertile rate. Find the standard deviation for the number of infertile eggs per batch. 0.2 O 0.44 0.45 O 0.66 O 43.7Assume that adults have IQ scores that are normally distributed with a mean of u = 105 and a standard deviation a = 15. Find the probability that a randomly selected adult has an IQ between 91 and 119. Click to view page 1 of the table. Click to view page 2 of the table. The probability that a randomly selected adult has an IQ between 91 and 119 is. (Type an integer or decimal rounded to four decimal places as needed.) Enter your answer in the answer box. MacBook Air esc 888 %23 & 2 3 4 5 6 7 8 Q E R T Y tab P A D G H caps lock K V в N M > ? control option command command option
- Students must have GPAs in the top 7.5% of the school to be accepted into the honour society. When the average GPA is 2.92 with the standard deviation of 0.29, what GPA do you have to have to be accepted? Show all your work. Round off to 100th.The variance in a data set is 427. Find the standard deviation. Round to two decimals. Submit QuestionAssume that the readings on the thermometers are normally distributed with a mean of 0° and standard deviation of 1.00°C. A thermometer is randomly selected and tested. Draw a sketch and find the temperature reading corresponding to P34, the 84th percentile. This is the temperature reading separating the bottom 84% from the top 16%. Click to view page 1 of the table. Click to view page 2 of the table. Which graph represents P ? Choose the correct graph below. 84 A. В. OC. D. Ay X The temperature for P84 is approximately (Round to two decimal places as needed.)