The statistics students at the college were asked where they were born and whether they were male or female. The results are shown in the table below.
In State Out of State Foriegn Country Total
Male
62
26
19
107
Female 85
12
114
Total
147
43
31
221
Answer the following and present your answer as a fraction, either using the tallies
given or reduced to lowest terms. If a randomly selected statistics student is selected
then
17
A. P(Female) -
B. P(Out of State) -
C. P(Female AND Foreign Country) -
D. P(Male OR In State) =
E. P(Female GIVEN Out of State)

step-by-step explanation: so we look at the formula un = a + (n-1)d

un is the amount of seats

n is the nth term aka row number

a is the original sequence/row number

d is the difference between each term

so in this a=22 d=6 and n can remain as n because we are simply formjng a rule

lets put these in the equation

un=22+(n-1)(6)

this is your answer to part a

however

lets double check that this is correct, we'll try putting it into the second term

un=a+(n-1)d

u2=22+(2-1)(6)

u2=22+6

u2=28

as the question said the second row has 28 seats so now we know the formula we made is correct.

as for part b

un=a+(n-1)

its asking us to find a row with 100 seats.

remember un was the amount of seata so all we do is substitute this in.

un=100 a=22 d=6

un=a+(n-1)d

100=22+(n-1)(6)

so now we simplify to find n which is the row number.

100-22=22+(n-1)(6)-22

78=(n-1)(6)

78/6=(n-1)(6)/6

13=n-1

13+1=n-1+1

14=n

so now we know that in the 14th row there is 100 seats.

hope this and that you understood! its my first time using the app or anyone out on here : p its also me to revise so a bunch! ask more questions if you dont understand ☺

the photograph is photographer and- in the process- ourselves.

step-by-step explanation: