What was the age distribution of nurses in Great Britain at the time of Florence Nightingale? Suppose we have the followinginformation. Note: In 1851 there were 25,466 nurses in Great Britain.Age range (yr)Midpoint xPercent of nursesUSE SALT20-2924.55.1%30-3934.59.7%40-4944.519.5%50-5954.529.8%60-69 70-79 80+74.584.59.0%1.9%64.525.0% (c) Find the probability that a British nurse selected at random in 1851 would be 60 years of age or older. (Round youranswer to three decimal places.)1.209x(d) Compute the expected age of a British nurse contemporary to Florence Nightingale. (Round your answer to twodecimal places.)34.39Xyr(e) Compute the standard deviation a for ages of nurses shown in the distribution. (Round your answer to twodecimal places.)25.54X yr

a) The age distribution of nurses is given.

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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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2. Please answer this question ASAP. Please circle all answers, please be organized.
Example 3. Present the following data by horizontal bar diagram. Bangalore Hydradad 11 9 City: Population (Lakhs) : Trichy 8 Mysore 7 Ooty 3
What is the median of this data set?
Scenario: The following table lists the typing speed as measured by a standard typing test for 12 college students, along with the number of pages they had to type for their Sociological Research Methods class. Use the data to answer the Three questions listed below. Make sure that you summarize and report if the results were significant using the F ratio formula. Report your answers in the Computed Value Tables. Student Number of pages typed Typing speed Chris 37 73 Mary 6 24 Paul 12 36 Juan 24 72 Marcel 16 50 Olga 7 19 Ni 22 49 Nima 4 6 Sari 34 48 Jarrod 32 59 Kevin 17 38 Lisa 8 16 Computed Values Record the Results for each value ∑x 490 ∑y 219 ∑xy 10662 SSx 4159.66 SSy 1210.25 SP 1719.5 r 0.76636 a 1.37 b 0.41388 Regression Equation Computed values Compute and record SS residual 499.4515…
110 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week 0 1 2 3 4 5 6 7 Frequency 7 16 12 13 Relative Frequency 0.0636 0.1455 0.1091 0.1182 14 22 16 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 1 time per week? 0.1273 0.2 0.1455 Cumulative Frequency % 7 23 35 48 72 94 110
TYPEWRITTEN ONLY PLEASE FOR UPVOTE. DOWNVOTE FOR HANDWRITTEN. DO NOT ANSWER IF YOU ALREADY ANSWERED THIS
Give typing answer with explanation and conclusion
Example 3. Present the following data by horizontal bar diagram. Bangalore Hydradad 11 City: Population (Lakhs) : Trichy 8 Mysore 7 Ooty 3
Given a data set with u = 18 and o = 3 find the percent of data within each range: Just type the number in the blank, do not type "%" sign. between 15 and 21 = %3D [ Select ] between 12 and 24 = [ Select ] below 18 [ Select ] between 12 and 21 = [ Select ]
2. Is the data in the frequency table below Nominal, Interval, or Ordinal level of measurement? Lunch Choices Mac 'n Cheese Sandwich Chicken Nuggets Answer: Soup Hamburger Answer: Frequency 5 8 6 2 1 3. What is the mode of the frequency table in question 2?
Listed below are the measured radiation emissions (in W/kg) corresponding to cell phones: A, B, C, D, E, F, G, H, I, J, and K respectively. The media often present reports about the dangers of cell phone radiation as a cause of cancer. Cell phone radiation must be 1.6 W/kg or less. Find the a. mean, b. median, c. midrange, and d. mode for the data. Also complete part e. 0.45 0.77 0.72 0.68 1.53 1.28 0.75 0.99 0.55 0.56 1.12 --..- a. Find the mean. The mean is . (Round to three decimal places as needed.)

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