Mathematics
Mathematics, 25.12.2019 06:31, kayla114035

Last year political party a received 50% of the votes and parties b and c received 25% each.

for the upcoming elections, the null hypothesis is that the proportion of people who will vote for party a will be the same as last year.

the alternative hypothesis is that proportion will change.

during the first hour for the upcoming elections 50 people voted for party a, 25 people voted for party b, 25 people voted for party c.

but after that, 50 people voted for party a and people did not vote for party b and c.

how did the chi-squared statistic change after the first hour?

answer
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 17:00, nataliemoore1974
Explain how you do each step what term makes it inconsistent y=2x - 4 ?
Answers: 1
image
Mathematics, 21.06.2019 18:30, kenzie9493
Write a polynomial function f of least degree that has rational coefficients, a leading coefficient of 1, and the given zeros. 3, 4+2i, 1+(sqrt)7 the answer is supposed to be: f(x)=x(^5)-13x(^4)+60x(^3)-82x(^2)- 144x+360 what am i doing wrong?
Answers: 1
image
Mathematics, 21.06.2019 21:00, dbajomo01
Isabel graphed the following system of equations. 2x – y = 6 y = -3x + 4 she came up with the solution (2,-2). what were the 3 steps she did to get that solution? (make sure they are in the correct order)
Answers: 2
image
Mathematics, 22.06.2019 00:00, nane718
How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters
Answers: 1
Do you know the correct answer?
Last year political party a received 50% of the votes and parties b and c received 25% each.
<...

Questions in other subjects:

Konu
Mathematics, 17.09.2019 19:00