$240 was shared in the ratio of 2:3:1 by Jacob,
1 answer:
Answer:
Jacob: $80
Hilary: $120
Brian: $40
Step-by-step explanation:
Let the amount Brian gets be $x.
Amount Jacob gets= $(2x)
Amount Hilary gets= $(3x)
Total amount of money= $x +$(2x) +$(3x)= $(6x)
$240= $(6x)
6x= 240
x= 240÷6
x= 40
Now substitute the value of x to find out the amount of money each one gets.
Brian gets $40.
Amount Jacob gets= 2(40)= $80
Amount Hilary gets= 3(40)= $120
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Step-by-step explanation:
let p be the population proportion of adults who smoked a cigarette in the past week.
As per given , we have
Sample size : n= 1491
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The test statistic for proportion is given by :-
Substitute all the values , we get
Hence, the value of the test statistic = 0.84