The following Frequency Distribution for Blood Glucose levels collected over 1 month (in mg/dL). Class Limits Frequency 60 – 79 3 80 – 99 3 100 – 119 4 120 – 139 5 140 – 159 2 160 – 179 6 180 – 199 5 200 – 219 0 220 – 239 2 TOTALS: a) What is the class width for the above frequency distribution? b) What is the relative frequency of the 100 – 119 bin? c) If glucose levels were measured to the nearest tenth of a mg/dL, what should the new class limits be for the first bin? _____ – ______

The following Frequency Distribution for Blood Glucose levels collected over 1 month (in mg/dL). Class Limits Frequency 60 – 79 3 80 – 99 3 100 – 119 4 120 – 139 5 140 – 159 2 160 – 179 6 180 – 199 5 200 – 219 0 220 – 239 2 TOTALS: a) What is the class width for the above frequency distribution? b) What is the relative frequency of the 100 – 119 bin? c) If glucose levels were measured to the nearest tenth of a mg/dL, what should the new class limits be for the first bin? _ – __

Name: The following Frequency Distribution for Blood Glucose levels collecte
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Description: The following Frequency Distribution for Blood Glucose levels collected over 1 month (in mg/dL).Class LimitsFrequency60 – 79380 – 993100 – 1194120 – 1395140 – 1592160 – 1796180 – 1995200 – 2190 220 – 2392 TOTALS: a) What is the class width for the

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The following figures show the distribution of digits in numbers chosen at random from a telephone directory. Digit 0 1 2 3 4 5 6 7 8 9 Frequency 1026 1107 997 966 1075 933 1107 972 964 853 Test at 5 % level whether digits may be taken to occur equally frequently in the directory.
The following data represent the monthly phone use, in minutes, of a customer enrolled in a fraud prevention program for the past 20 months. The phone company decides to use the upper fence as the cutoff point for the number of minutes at which the customer should be contacted. What is the cutoff point? 510398398515357327480491308408483394320338463321374307538409
The following data provide the monthly electricity bills of a sample of households in Cavite: 1084 1452 764 1348 1180 1276 1000 1212 928 650 708 796 1064 1116 820 1116 768 724 1284 1236 984 1112 355 300 1340 1280 752 1188 1896 960 1716 1176 2280 1368 1116 1234 890 2500 2459 2568 Determine the range, class size and class interval. Construct a frequency distribution table. Compute for mean, median and mode.
Persons per Housing Unit. From the document American Housing Survey for the United States, published by the U.S. Census Bureau, we obtained the following frequency distribution for the number of persons per occupied housing unit, where we have used “7” in place of “7 or more.” Frequencies are in millions of housing units. Persons 1 2 3 4 5 6 7 Frequency 27.9 34.4 17.0 15.5 6.8 2.3 1.4 For a randomly selected housing unit, let Y denote the number of persons living in that unit. a. Identify the possible values of the random variable Y .b. Use random-variable notation to represent the event that a housing unit has exactly three persons living in it.c. Determine P(Y = 3); interpret in terms of percentages.d. Determine the probability distribution of Y .e. Construct a probability histogram for Y .
Data collected by a price reporting agency from more than 90,000 gasoline and convenience stores throughout the U.S. showed that the average price for a liter of unleaded gasoline was $0.87. The following data show the price per liter ($) for a sample of 20 gasoline and convenience stores located in San Francisco. 0.97 0.97 1.29 0.92 0.96 0.96 0.98 0.93 1.01 0.96 0.96 0.97 0.96 1.03 1.12 0.95 0.94 1.01 0.93 0.92 (a) Use the sample data to estimate the mean price in dollars for a liter of unleaded gasoline in San Francisco. (Round your answer to three decimal places.) (b) Compute the sample standard deviation in dollars. (Round your answer to three decimal places.) (c) Compare the mean price per liter for the sample data to the national average price. What conclusions can you draw about the cost of living in San Francisco? The average price for a liter of unleaded gasoline in San Francisco is lower than/higher than/same as the national average. This indicates…
Data collected by a price reporting agency from more than 90,000 gasoline and convenience stores throughout the U.S. showed that the average price for a liter of unleaded gasoline was $0.87. The following data show the price per liter ($) for a sample of 20 gasoline and convenience stores located in San Francisco. 0.97 0.97 1.25 0.92 0.92 1.00 0.94 0.97 1.01 0.96 0.96 0.97 0.92 1.03 1.12 0.95 0.98 0.97 0.97 0.96 (a) Use the sample data to estimate the mean price in dollars for a liter of unleaded gasoline in San Francisco. (Round your answer to three decimal places.) $ (b) Compute the sample standard deviation in dollars. (Round your answer to three decimal places.) $ (c) Compare the mean price per liter for the sample data to the national average price. What conclusions can you draw about the cost of living in San Francisco? The average price for a liter of unleaded gasoline in San Francisco is the national average. This indicates that the cost of living in San…
To test whether the enactment of seatbelt legislation had any association with injuries to vehicle users, a random sample of 7676 individuals taken over a two-year period (one year prior legislation and one year post legislation) was used. The results are detailed below. Post Legislation Prior Legislation Total No Injury 1320 5430 6750 Minimal Injury 70 552 622 Major Injury 32 224 256 Fatal Injury 10 38 48 Total 1432 6244 7676 What is the p-value (rounded to 4 decimal places)?
The following is the data set for specific research regarding a certain product 15 19 14 20 13 23 16 25 17 12 20 11 23 10 14 11 25 12 11 15 8 17 8 18 16 19 17 19 24 What is the range of the data set? How many class intervals should be constructed? How many elements does the class width has? What is the frequency of the class interval with the highest value? What is the >cf of the 3rd to the highest class interval?
The tar content in samples of cigar tobacco follows:1.542 1.585 1.532 1.466 1.499 1.6111.622 1.466 1.546 1.494 1.548 1.6261.44 1.608 1.52 1.478 1.542 1.5111.459 1.533 1.532 1.523 1.397 1.4871.598 1.498 1.6 1.504 1.545 1.5581.555 1.712 1.442 1.443 1.699 1.7011.698 1.88 1.11 1.21 1.987 1.39Find the 99% CI on the mean tar content.
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A random survey of enrollment at 10 community colleges across the United States yielded the following figures: 2523; 1707; 5420; 2835; 1129; 5452; 2360; 1448; 2958; and 4110. What is the 99% Error Bound (EBM) of the population mean?
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