Alice made a survey on the number of active Android applications herclassmates have. The table summarizes the results. The Class Intervals containthe numbers of active Android Applications. The frequency is the number ofstudents. Complete the table before answering the questions.ClassFrequency Lower Class Boundary(LCB)Less than CumulativeFrequency (< cf)50Interval(1)26-30321-251316-201011-15156-1081-51412947341

Given information: Class interval frequency (f) Lower class boundary less than cumulative…

Answered: Class Interval 26-30 21-25 16-20 11-15…

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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Class Classes f X
ess Statistics 1 (section20) || spring21 Time left 0:34 Suppose P(A) = 0.40, P(ANB) = 0.25 and P(B) = 0.35. Then P(AUB) is O a. 0.40 O b. 1.00 Oc. Oc. 0.50 d. 0.75
1) Identify the type and level of data the the variable of "Salary" a. Quanlitative, Nominal b. Quanlitative, Ordinal c. Quantitative, Continuous, Interval d. Quantitative, Coutinous, Ratio e. Quantitative, Discrete, Interval f. Quantitative, Discrete, Ratio 2) Identify the type and level of data the the variable of "NumEmpl" a. Quanlitative, Nominal b. Quanlitative, Ordinal c. Quantitative, Continuous, Interval d. Quantitative, Coutinous, Ratio e. Quantitative, Discrete, Interval f. Quantitative, Discrete, Ratio 3) Identify the type and level of data the the variable of "Margin" a. Quanlitative, Nominal b. Quanlitative, Ordinal c. Quantitative, Continuous, Interval d. Quantitative, Coutinous, Ratio e. Quantitative, Discrete, Interval f. Quantitative, Discrete, Ratio
If a study determines the difference in average salary for subpopulations of mechanical engineers and civil engineers is NOT significant, then the subpopulations of mechanical and civil engineers are ________ different salaries. Earning very Not earning Definitely earning Guaranteed not to be earning
Protein Grams in Fast Food The amount of protein (in grams) in a variety of fast-food sandwiches is reported here. 38 44 35 29 26 25 42 27 43 24 27 30 23 57 35 26 27 26 35 29 40 35 33 31 27 24 34 Send data to Excel Part 1 of 6 What is the dlass width for a frequency distribution with 5 classes? 7. The dass width is Part 2 of 6 Find the class limits. The first lower class limit is 23. Class limits 23 -30 30 37 37 -44 44-51 51 58 Correct Answer: Class limits 23 29 30 36 37-43 44 50 51- 57
`First statement: Sex ratio is the common way to visualize two variables Second statement: Population pyramid is a special type of histogram where the Male population is shown at the left and the Female at the right. a. both are true b. both are false c. first is true, second is false d. first is false, second is true
Prices and carats of 78 Prinicess cut loose diamonds from Brilliance.com. Prices ranged from $1,000 to $2,000. Carats ranged from 0.50 to 0.75. While I did not share, the diamonds are Color grades D, E, or F, and Clarity grades VVS1 and VVS2. Please show all work. Can carats explain prices? Provide evidence to support your answer. If the carats are 0.64, what is the expected price for the diamond? Price Carats 1005 0.53 1021 0.52 1044 0.50 1077 0.51 1086 0.50 1107 0.50 1115 0.51 1115 0.50 1274 0.50 1307 0.50 1508 0.52 1683 0.70 1757 0.60 1924 0.70 1987 0.72 1971 0.70 1955 0.75 1924 0.70 1854 0.66 1823 0.70 1823 0.54 1724 0.60 1724 0.60 1713 0.61 1669 0.71 1656 0.70 1656 0.70 1656 0.70 1648 0.60 1626 0.60 1589 0.50 1575 0.60 1568 0.64 1552 0.61 1533 0.53 1529 0.61 1522 0.61 1508 0.52 1463 0.56 1443 0.63 1088 0.75 1840 0.71 1934 0.70 1957 0.62 1570 0.74 1076 0.64 1983 0.66 1051…
If a study determines the difference in average salary for subpopulations of mechanical engineers and civil engineers is NOT significant, then the subpopulations of mechanical and civil engineers are ________ different salaries. Guaranteed not to be earning Not earning Definitely earning Earning very
Ages Number of students 15-18 10 19-22 7 23-26 9 27-30 9 31-34 10 35-38 2 Based on the frequency distribution above, find the relative frequency for the class with lower class limit 31Relative Frequency =
Class Class Mark Boundaries Less than Greater Relative Classes Frequency cumulative than Frequency Frequency cumulative frequency 5-9 1 1 40 0.03 7 5.5 - 9.5 10-14 2 39 0.05 12 10.5 – 14.5 15-19 8. 36 0.13 17 15.5 - 19.5 20-24 7 15 32 0.18 22 20.5 – 24.5 25-29 10 25 25 0.25 27 25.5 – 29.5 30-34 7 32 15 0.18 32 30.5 – 34.5 35-39 4 36 8. 0.1 37 35.5 – 39.5 40-44 3 39 3 0.08 42 40.5 - 44.5 45-49 1 40 0.03 47 45.5 - 49.5 3. How many students got a score of 25 and above? 4. How many students got a score of 29 and below? 5. What are the real limits of the class interval with the highest frequency?
Ages Frequency 42-45 2 46-49 7 50-53 8 54-57 16 58-61 5 62-65 4 66-69 2 identify any possible outliers
High temperature in a certain city for the month of July has a uniform distribution over the interval 7070 FF and 9090 FF What is the average temperature in this city in July (Enter only the numerical value)? What is the temperature which exceeded by the temperature on 90%days in July (Enter only the numerical value)?

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Class Interval 26-30 21-25 16-20 11-15 6-10 1-5 Frequency ( 3 13 10 15 8 1 Lower Class Boundary (LCB) Less than Cumulative Frequency (< cf) 50 47 34 24 9 1