MY NOTESASK YOSuppose that the following relative frequency table represents hurricanes that have made direct hits on land. Hurricanes are given a strength category rating based on the maximum wind speed generated by the storm.Frequency of Hurricane Direct HitsCategoryNumber of Direct HitsRelative FrequencyCumulative Frequency11050.3723870.30850.68093660.23404190.98230.01771.0000Total = 282What is the relative frequency of direct hits that were AT MOST a category 3 storm? (Round your answer to four decimal places.)0.2340

We have given that the relative frequency table represents hurricanes that have made direct hits on…

Answered: 0.2340 4 19 0.9823 5 0.0177 1.0000…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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230 people are asked how many siblings they have? # of Siblings Frequency Relative Frequency Cumulative Frequency 0. 0.2087 48 1 49 0.213 97 40 0.1739 137 49 4 44 0.1913 230 a. Complete the table (Use 4 decimal places when applicable) b. What percent of the people have exactly two siblings? %
Sunnose you drive from Here to There at a speed of 30 miles/hour and then drive back from There to Here at 60 miles/hour. What is your average speed?
Safari File Edit View History Bookmarks Window Help 66% Sun 10:21 PM A webassign.net >> SALT: Statistical Analysis and... *. Homework for Week #7 - MA. C More Than A Decade Ago, Hi. C It Is Known That 75% Of All N.. C Sketch The Area Under The S... G kia gt line price - Google Sear.. 19. DETAILS BBUNDERSTAT12 6.6.011.S. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities. It is known that 84% of all new products introduced in grocery stores fail (are taken off the market) within 2 years. If a grocery store chain introduces 61 new products, find the following probabilities. (Round your answers to four decimal places.) n USE SALT (a) within 2 years 47 or more fail .0490 (b) within 2 years 58 or fewer fail (c) within 2 years 15 or more succeed (d) within 2 years fewer than 10 succeed Need Help? Read It 20. DETAILS…
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210 people are asked how many siblings they have? # of Siblings Frequency Relative Frequency Cumulative Frequency 0 0.1714 40 1 2 39 3 52 4 43 a. Complete the table (Use 4 decimal places when applicable) b. What percent of the people have exactly two siblings? 36 0.1857 0.2476 0.2048 115 167 210
220 people are asked how many siblings they have? # of Siblings Frequency Relative Frequency Cumulative Frequency 0 0.2455 54 1 37 91 2 44 0.2 3 45 0.2045 180 4 40 0.1818 220 a. Complete the table (Use 4 decimal places when applicable) b. What percent of the people have exactly one sibling? %
A study examines the link between miscarriage and the use of painkillers during pregnancy. Scientists interviewed 1009 women soon after they got positive results from pregnancy tests about their use of painkillers around the time of conception or in the early weeks of pregnancy. The researchers then recorded which of the pregnancies was successfully carried to term. The results are in the table below. (NSAIDS refer to a class of painkillers that includes aspirin and ibuprofen.) Does there appear to be an association between having a miscarriage and the use of painkillers? Miscarriage No miscarriage Total NSAIDS 18 57 75 Acetaminophen 24 148 172 No painkiller 103 659 762 Total 145 864 1009 Table 1 Does the use of painkillers increase the risk of miscarriage?
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The authors of the paper "Evaluating Existing Movement Hypotheses in Linear Systems Using Larval Stream Salamanders"+ investigated whether water temperature was related to how far a salamander would swim and whether it would swim upstream or downstream. Data for 14 streams with different mean water temperatures where salamander larvae were released are given (approximated from a graph that appeared in the paper). The two variables of interest are x = mean water temperature (°C) and y = net directionality, which was defined as the difference in the relative frequency of the released salamander larvae moving upstream and the relative frequency of released salamander larvae moving downstream. A positive value of net directionality means a higher proportion were moving upstream than downstream. A negative value of net directionality means a higher proportion were moving downstream than upstream. Mean Temperature (x) Net Directionality (y) 6.17 -0.08 8.06 0.25 8.62 -0.14 10.56 0.00 12.45…
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0.2340 4 19 0.9823 5 0.0177 1.0000 Total = 282 What is the relative frequency of direct hits that were AT MOST a category 3 storm? (Round your answer to four decimal places.) 0.2340