200180160140120100806040207.91012length of leaf (em)(a)Write down the median length of these leaves.(b)Write down the number of leaves with a length less than or equal to 8 cm.The researcher finds that 10% of the leaves have a length greater than k cm.(c)(i)Use the graph to find the value of k(ii)Before measuring, the researcher estimated k to be approximately 9.5 cm Findthe percentage error in her estimatecumulative frequency

As per our guidelines, we are allowed to answer first three sub-parts only. Thanks a) Median is…

Answered: 200 180 160 140 120 100 80 60 40 20 8.…

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015

1st Edition

ISBN:9781680331141

Author:HOUGHTON MIFFLIN HARCOURT

Publisher:HOUGHTON MIFFLIN HARCOURT

Chapter11: Data Analysis And Displays

Section11.4: Two-ways Tables

Problem 11E

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The predicted cost C (in hundreds of thousands of dollars) for a company to remove p% of a chemical from its waste water is shown in the table. A model for the data is given by as attached.For 0 ≤ p < 100. Use the model to find the average cost of removing between 75% and 80% of the chemical.
1. Find 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. 75 A graph with a bell-shaped curve, divided into 2 regions by a vertical line. The vertical line extends from the bell curve to the x-axis, and is located on the left half, under the curve. The region on the left of this line is shaded. The x-axis below the vertical line is labeled 75. Question content area bottom The area of the shaded region is enter your response here (Round to four decimal places as needed.) 2. Find 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. 83 A symmetric bell-shaped curve is plotted over a horizontal scale. A vertical line runs from the…
P-Value Find the P-value in a test of the claim that the mean annual income of a CIA agent is greater than $81,623 (based on data from payscale.com) given that the test statistic is t = 1.304 for a sample of 40 CIA agents.
Can someone explain this from a mathematical perspective? Find a relation between the fraction of islands occupied by a species and time. There is a fixed number of islands. The distribution of the species across all islands is maintained by a balance between local extinctions and local colonization events.
Three-circle, red-on-white is one distinctive pattern painted on ceramic vessels of the Anasazi period found at an archaeological site. At one excavation, a sample of 179 potsherds indicated that 62 were of the three-circle, red-on-white pattern. (a) Find a point estimate p̂ for the proportion of all ceramic potsherds at this site that are of the three-circle, red-on-white pattern. (Round your answer to four decimal places.)

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