14:34. Supposé thể Walst me and standard deviation 5 cms. Find the :number N of girls with waists- (i) between 65 cms and 70 cms: (ii) greater than or equal to 72 cms.
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Q: f. A random sample of n=80 observations from a quantitative population produced X = 30.2 and s2 =…
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A: Mean, µ = 28 and standard deviation, σ = 4.
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A: Given X is normal Distributed with mean µ = 21.0 and standard deviation σ = 7.0 now will using…
Q: 7c
A: as you say i give only 7c answer
Q: Claim: The mean systolic blood pressure of all healthy adults is less than 124 mm Hg. Sample data:…
A: μ=124,n=286,X¯=121.03,s=15.08
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A: Given Information: Mean = 0 Standard deviation = 1.00 3.2% of the thermometers are rejected because…
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A: Given : A variable is normally distributed with mean 18 and standard deviation of 3 . Let X be the…
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Q: Claim: The mean systolic blood pressure of all healthy adults is less than 127 mm Hg. Sample data:…
A: Sample size=261
Q: Assume the readings on the thermometers are normally distributed with a mean of 0 degree and…
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Q: A variable is normally distributed with mean 20 and standard deviation 7. Use your graphing…
A: The given mean is 20 and standard deviation is 7.
Q: Use the following information to answer question. n=6,Σx=16, Σx2 72. he standard deviation S is…
A: Given: n=6∑x=16∑x2=72
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A: The normal curves are given.
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A: Given information x - µ = 9 z = 1.5
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A: Let x be the weight of a chocolate bar which follows normal distribution with mean 70 gr, and…
Q: A variable is normally distributed with mean 20 and standard deviation 7. Use your graphing…
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Q: Find the standard deviation for the given data n- 48, Σίx, = 1620 , Σix? = 6640ο , ΣΧ-180 %3D O a.…
A: Given that, n = 48∑fixi=1620∑fixi2=66400∑xi=180
Q: Claim: The mean systolic blood pressure of all healthy adults is less than 123 mm Hg. Sample data:…
A: Given claim: The mean systolic blood pressure of all healthy adults is less than 123 mm Hg.
Q: (a) Verify that the following function is a valid PMF r(x) = (")c0.3)*(0.7)5-x = 0,1,2,3,4,5 %3D (b)…
A: The given distribution function is:
Q: A variable is normally distributed with mean 17 and standard deviation 9. Use your graphing…
A: as per guideline expert have to answer first three subpart only dear student please upload other…
Q: d) Find the p- value . (Round to three or more decimal places.) e) Can we conclude that the…
A: From the previous solution we have :The value of test statistic is 9.563Degrees of freedom = 17
Q: Claim: The mean systolic blood pressure of all healthy adults is less than 126 mm Hg. Sample data:…
A: Given the mean systolic blood pressure of all healthy adults is less than 126 mmHg. Also given…
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A: Given : n = 100 juice botteles and we have given out of a 100 juice bottles, 95 bottles contain…
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A: Since we have to model standard deviation in cusum chart, we can use Xbar and S charts.
Q: Claim: The mean systolic blood pressure of all healthy adults is less than 122 mm Hg. Sample data:…
A: given data claim : The mean systolic blood pressure of all healthy adults is less than 122 mm Hg. n…
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Q: A variable is normally distributed with mean 21 and standard deviation 7. Use your graphing…
A: Given,μ=21σ=7
Q: Claim: The mean systolic blood pressure of all healthy adults is less than 122 mm Hg. Sample data:…
A:
Q: Given that it is normally distributed with a standard deviation of 8.025 cm. Find the range of the…
A: We have to find given range of 2 standard deviation from the mean..
Q: 4. From the data given below, find the number of items. Er = 90 r = (0.5 Exy = 120 Oy = 8 %3D %3D…
A:
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- Claim: The mean systolic blood pressure of all healthy adults is less than 125 mm Hg. Sample data: For 272 healthy adults, the mean systolic blood pressure level is 123.92 mm Hg and the standard deviation is 15.65 mm Hg. Complete parts (a) and (b). a. Express the original claim in symbolic form. Let the parameter represent a value with respect to systolic blood pressure of a healthy adult. ▼ (Type an integer or a decimal. Do not round.) b. Identify the null and alternative hypotheses. ▼ ▼ C Ho H₁: (Type integers or decimals. Do not round.)A variable is normally distributed with mean 17 and standard deviation 8. Use your graphing calculator to find each of the following areas. Write your answers in decimal form. Round to the nearest thousandth as needed. a) Find the area to the left of 16. b) Find the area to the left of 13. c) Find the area to the right of 15. d) Find the area to the right of 19. e) Find the area between 13 and 28.In one of the Stat 2 sections, the students in the section have an average height of 64 inches, with a standard deviation of 3 inches. The GSI happens to be 68 inches. Express the height of the GSI in standard units, relative to the students in the section. Choose the answer below that is closest. Group of answer choices 1.67 3.0 1.5 1.33 4.0 PreviousNext
- Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. The indicated IQ score is (Round to the nearest whole number as needed.) si 0.2525 QA variable is normally distributed with mean 15 and standard deviation 3. Use your graphing calculator to find each of the following areas. Write your answers in decimal form. Round to the nearest thousandth as needed. a) Find the area to the left of 14. b) Find the area to the left of 12. c) Find the area to the right of 13. d) Find the area to the right of 16. e) Find the area between 12 and 25. Question Help: D Post to forum Calculator Submit QuestionIf a sore of normal distribution is 2.5, mean of distribution is 45 and standard deviation of normal distribution is 3 then the value of x for normal distribution is ________ A.) 7.5 B.) 47.5 C.) 37.5 D.) 67.5
- Solve it completely and correctly please.3) During a study, the weights of test subjects was recorded. The results are displayed in the graph below. Use the graph to determine the value of the following descriptive statistics Histogram of Wt (n=40) 20 15 10 10 100 150 X Values D How many weights were recorded? D) What is the average weight? O Approximate the standard deviation. d) What is the one-standard deviation interval around the mean? How many weights were within this interval? I What percentage of weights were within this interval? What is the two standard deviation interval around the mean? hi How many weights werE within this interval? What percentage of we were within thisterva What is the three standard deviation ntervalarund the mean K) How many weights were within this interv What percentage of weights were withiin thikinterval? 梦 $ hp2 If n=100, X = -20 , EX =220. Find standard deviation Select one: a. 2.1818 b. 2.2626 C. 1.477 d. 1.504
- Suppose the lengths of human pregnancies are normally distributed with µ = 266 days and o= 16 days. Complete parts (a) and (b) below. (Type integers or decimals.) A. The proportion of human pregnancies that last less than B. The proportion of human pregnancies that last more than days is days is Provide a second interpretation of the area using the given values. Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or decimals.) O A. The probability that a randomly selected human pregnancy lasts less than B. The probability that a randomly selected human pregnancy lasts more than (b) The figure to the right represents the normal curve with µ = 266 days and o = 16 days. The area between x = 280 and x = 295 is 0.1558. Provide two interpretations of this area. days is days is Provide one interpretation of the area using the given values. Select the correct choice below and fill in the answer boxes to complete your choice. (Type integers or…(please solve both questions)