The partially filled contingency table gives the frequencies of the data on age (in years
retirement home
and sex from the residents of a
|
Total
|
L
Male
Female
Total
60-69
12
8
70-79
1
10
Over 79
5
4
What is the relative frequency for females in the age group 60-69?
a 3
20
b. 1
Please select the best answer from the choices provided

he spend 5.1 minutes chatting with his friends

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5 1/10

yes

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step-by-step explanation:

see explanation

step-by-step explanation:

since the sequence is geometric there is a common ratio r between consecutive terms, that is

r = 4 ÷ - 2 = - 2

r = - 8 ÷ 4 = - 2

r = 16 ÷ 8 = - 2

the next term - 13 must be incorrect as it should be - 32 for the sequence to be geometric.

the first 4 terms are therefore geometric with common ratio r = - 2