Answer:
Kindly check explanation
Step-by-step explanation:
Age____ Freq__R/freq____ Cumm Rel Freq [20,29]___3____ 0.1________ 0.1
[30,39]__ 10__ 0.3333_____ 0.4333
[40,49]__ 2__ 0.0667______ 0.5
[50,59]__ 7 __0.2333 _____0.7333
[60,69]__ 4 ___0.1333 ____0.8666
[70,79]___ 3 ____0.1 ______0.9666
[80,89]___ 1 ___0.0333 ____0.9999
A.) What is the frequency of lottery winners of age between 19 and 40?
Frequency = (3 + 10) = 13 winners
B.) What percentage of lottery winners are 70 years or older?
From the relative frequency table = 0.1 (3/30) = (0.1 * 100%) = 10% ;
C.) What is the relative frequency of ages under 40?
(20 - 29) + (30 - 39)
0.1 + 0.3333 = 0.4333
D.) What is the cumulative relative frequency of lottery winners younger than 50?
0.1 + 0.3333 + 0.0667 = 0.5
