x 19 20 21 22 23
F(x) 18 10 7 8 5
Let x be the ages of students in a class. Given the frequency distribution F(x) above, determine the following probabilities:
(a) P(x>20)=
(b) P(x≤22)=
(c) P(x≥20)=
N= total frequency= 48
a. Calculate total frequency for
F(X>20) = F(21)+F(22)+F(23) =7+8+5= 20
P(X>20) = F(X>20)/N = 20/48 = 0.4167
b. F(X 22) = F(19)+F(20)+F(21)+F(22)
= 18+10+7+8 = 43
P(X22) = 43/48 = 0.8958
c. F(X 20) =F(20)+F(21)+F(22)+F(23)
= 10+7+8+5 =30
P(X20) = 30/48 =0.625
(1 point) xx 1818 1919 2020 2121 2222 F(x)F(x) 77 99 1010 55 55 Let xx be the ages of students in a class. Given the frequency distribution F(x)F(x) above, determine the following probabilities: (a) P(18≤x<20)=P(18≤x<20)= (b) P(x=20)=P(x=20)= (c) P(x≥19)=P(x≥19)=
Ages Number of students 15-18 5 19-22 4 23-26 5 27-30 5 31-34 8 35-38 5 Based on the frequency distribution above, find the relative frequency for the class with lower class limit 35 Relative Frequency = % Give your answer as a percent, rounded to one decimal place
Consider the following data. 14 21 23 20 16 19 22 26 15 16 23 25 24 20 15 20 19 20 21 13 17 17 18 23 26 21 22 15 20 18 25 24 15 23 25 19 21 24 21 19 (a) Develop a frequency distribution using classes of 12–14, 15–17, 18–20, 21–23, and 24–26. Class Frequency 12–14 15–17 18–20 21–23 24–26 Total (b) Develop a relative frequency distribution and a percent frequency distribution using the classes...
Ages Number of students 15-18 10 19-22 5 23-26 9 27-30 7 31-34 6 35-38 10 Find the relative frequency for the class with lower class limit 19 Relative Frequency = % Give your answer as a percent, rounded to two decimal places
14 24 18 23 21 18 16 14 23 17 15 13 19 23 24 14 16 26 21 14 15 22 16 12 20 23 19 26 20 25 21 19 21 25 23 25 25 19 20 15 (a) Develop a frequency distribution using classes of 12-14, 15-17, 18-20, 21-23, and 24-26. Class Frequency 12-14 15-17 18-20 21-23 24-26 Total (b) Develop a relative frequency distribution and a percent frequency distribution using the classes in part (a). If...
Number of students | لما Ages 15-18 19-22 23-26 27-30 31-34 35-38 اليا | دما به 7 9 Based on the frequency distribution above, find the relative frequency for the class with lower class limit 15 Relative Frequency = % Give your answer as a percent, rounded to one decimal place Submit Question
Ages Number of students 15-18 19-22 23-26 27-30 31-34 35-38 2 4. 9 6i 3 Based on the frequency distribution above, is 4 a: OUpper class limit Class boundary Lower class limit Class midpoint Class width
O A. Ов. О с. 18, 19, 20, 21, 22, 23, 24 18, 18, 19, 19, 19, 20, 20, 20, 20, 20, 21, 22, 22, 23, 24 118, 119, 120. 121. 122, 123, 124. 218, 219, 220, 222, 319, 320, 420, 520 O D. 18, 1.8, 1.9, 1.9, 1.9,20,20, 20,20, 2.0, 2.1, 22, 22, 23, 24 The macimum data entry is 17 18 19 20 21 22 23 24 25
(2 points) x19 20 21 22 23 P(X = x) 0.1 0.1 0.2 0.1 0.5 Given the discrete probability distribution above, determine the following (a) P(X = 21) = (b) P(X > 20) = (c) P(X> 20)=
Question with last attempt is displayed for your review only Ages Number of students 15-18 19-22 23-26 10 10 27-30 31-34 35-38 Based on the frequency distribution above, find the cumulative frequency for the class with lower clas Cumulative Frequency Give your answer rounded to one decimal place Message instructor about this question F4 FS F8 F9 5