17 students said they enjoy summer the most.

4 of the girls said they enjoy winter.

The ratio between boys and girls is 8 : 11.

The probability of picking a student at random who enjoys Summer is 38

Twice as many of the girls chose summer over spring.

7 boys chose summer.

Autumn was chosen by 3 more boys than girls.

The probability of picking a boy at random who chose spring is 18.75%

17 students said they enjoy summer the most4 of the girls said they enjoy winterThe ratio between boys and girls is 8 11The probability of picking a student at class=

Respuesta :

Mase07

I attached the filled out table.

We can immediately fill out the girl/winter slot and boy/summer spot.

Knowing that there are 17 total summer lovers and 7 boy/summer, we know 10 girls love summer.

Twice as many girls picked summer than spring, so 10/2 is 5 girls picking spring.

The last clue reads weird, but says that if you pick a spring lover, there is an 18.75% chance of it being a boy, so x/(x+5)=0.1875 x=1.

38% of interviewed students preferred summer, so: 17/x = 0.38 Total students= 45

Now the annoying part:

We know that for every 8 guys, there are 11 girls.

So if we fiddle around with scaling that ratio to find the combination the adds up to 45, we get a scale of 2.35.

2.35*8=19 and 2.35*11=26

So the total number of girls is 26, meaning the number of girl/autumn is 26-5-4-10=7

Three more boys chose autumn than the girls, so 10 boy/autumn.

Total boys is 19, 1 spring, 7 summer, and 10 autumn leaves 1 to pick winter.

Good lord that took me too long to do.

Ver imagen Mase07