Consider the following data: P(X = x) 0.2 0.2 0.2 0.2 0.2 %3D Step 3 of 5: Find the standard deviation. Round your answer to one decimal place. 9. 8.
Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…
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Q: 3 Calculate the Standand deviationA 25 vand to hundredths. 16/719
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A: The area to the right is 0.3949, which is equal to the area to the left of 0.6051 (=1–0.3949).
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Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…
A: Population mean, μ=100 Population sd, σ=15
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Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…
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Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…
A: Given information Mean = 100 Standard deviation = 15 P(X > x) = 0.65 P(X < x) = 1 – 0.65 =…
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A: The mean and standard deviation are 100 and 15.
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A: From the given information we find the solution.
Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…
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Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…
A: Given: X~N(μ,σ)X-IQ scores of adultsμ=mean=100σ=s.d=15 P(X<110)=Area of shaded region=?
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Q: Assume that a randomly selected subject is given a bone density test. Bone density test scores are…
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A: Given that IQ scores of adults is normally distributed with mean 100 and standard deviation 15. The…
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Q: Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores…
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A: From the provided information, Mean (µ) = 100 Standard deviation (σ) = 15 X~N (100, 15) The area to…
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Q: ssume that a randomly selected subject is given a bone density test. Bone density test scores are…
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- Table 1.6 A biologist measured the width(in mm) of the upper molar in 40 specimens(population) of a certain mammal. These results are given in the ff. fdt. Mean width(mm) frequency 5.5 3 5.8 10 6.1 15 6.4 8 6.7 3 7.0 1 Calculate the mean deviation(MD) and standard deviation(s) to the nearest hundredths. Choose the relationship which will describe the fdt in terms of variation. Group of answer choices A. None of the measures describes the variation. B. The standard deviation is more variable than the mean deviation. C. Equal variation. D. The mean deviation is more variable than the standard deviation.K mly selected subject is given a bone density test. Bone density test scores are normally distributed with a mean of 0 and a standard deviation of 1. Draw a graph and find P2. the 2nd percentile. This is the bone density score separating the bottom 2% from the top 98%. Which graph represents P₂? Choose the correct graph below. O A. OB. The bone density score corresponding to P₂ is. (Round to two decimal places as needed.) P₂ O C. P2 Q O D. P₂Find Standard Deviation for the data given. (choose closest answer). Round your answer to two digits after decimal. xf 13 34 45 51 65 74 93 O none of these answers 2.35 O 5.75 O 2.40
- The area of the shaded region isA set of data had a sample mean of 42.0 and a sample standard deviation of 11.0. What is the coefficient of variation (CV), expressed as a percentage, for this set of data? Round your answer to two decimal places. Do not include the percent sign. Your Answer:The discharge of suspended solids from a phosphate mine is normally distributed, with a mean daily discharge of 27 milligrams per liter (mg/l) and a standard deviation of 14 mg/l. On what proportion of days will the daily discharge exceed 60 mg/l? (Round your answer to four decimal places.) X USE SALT
- Big Blossom Greenhouse was commissioned to develop an extra large rose for the Rose Bowl Parade. A random sample of blossoms from Hybrid A bushes yielded the following diameters (in inches) for mature peak blooms. 2 in, 3 in, 3 in, 8 in, 10 in, 10 inFind the range and sample standard deviation of the data: (Round the answer to 2 decimal places) 8 5 The range: 12 12 10 The sample standard deviation: Select an answer Select an answer s² as q SProb-4 The lighting department of a city has installed 2000 electric lamps with an average life of 10,000 h and a standard deviation of 500 h. After what period of lighting hours would we expect 65.54% of the lamps to fail? Assume life of lamps are normally distributed. Sol:
- Q.4 FRound answers to 4 decimal places. Draw graphs and include functions 2. The scores on a standardized exam are normally distributed with a mean of 74 and standard deviation of 7.32. Let X = one exam score. a. Write the distribution of X b. Find the probability a randomly selected exam has a score higher than 80. c. Find P97Find the area of the shaded region. 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. Click to view page 1 of the table, Click to view page 2 of the table. Step 1 теan(u) s tan dard o 90 115 The area of the shaded region is (Round to four decimal places as needed.) Step 2 Required pr X-µ = P = P (Z < 1 = P (Z < 2 = 0.9773 Enter your answer in the answer box and then click Check Answer. %3D All parts showing Clear All Final Check P Type here to search hp