00:01
So, we are given here, json read.
00:02
So here we are given here json.
00:05
The reader report, say the 80 % is the 80 % of the us, 80 % of us high school student, high school students that have a come here, we are given here, the computer at home, computer at home.
00:27
And he believes the proportion of small, smaller than 0 .80, so proportion is 0, smaller than 0 ,000.
00:32
0 .80 at this larger ruler high school station to the srs of the rupees of we can say it is rupees of you can say lazy rupees of you can say of 60 students here you can say record the weather they have a computer at home or not so understand that we have 60 here we send that x which is n which is equal to we have 60 and suppose favorable cases here we can say it is 41 so if we talk about favorable cases so it is 5th here it is 80 % of you student here we've given here 80 % of your student which means we can say 80 so if you want to find probability so proportion here p bar which is equal we can make x divided by n so we can write 80 here we can make it probable cases is 41 so we can write 41 divided by 60 which is equal to answer is 0 .68 3 now in this question let we can write here that significance level alpha which is equal to 0 .0 5 now first we can find out the non -g alternative hypothesis so we can write null and the other properties here so h0 here which is equal to p which is equal to 0 .80 and the alternative here we can write alternative that is a which is p which is equal we can write is n 0 .80 now in this case we can say that it is left a latest here it is the left t .l8 test.
02:07
Here it is the left tailored test.
02:10
And for which z, z, for one population proportion need to be used.
02:16
Here, z taste, z taste, one population proportion need to be used...