Paper 6 October/November 2011 MATHEMATICS (9709/61) A Levels
لطفا برای اطمینان از عملکرد و تجربه بهتر از مرورگرهای مدرن و به روز مانند کروم یا فایرفاکس استفاده کنید.

It is claimed that a certain 6-sided die is biased so that it is more likely to show a six than if it was fair.
In order to test this claim at the 10% significance level, the die is thrown 10 times and the number of sixes is noted.
a) Given that the die shows a six on 3 of the 10 throws, carry out the test.
On another occasion the same test is carried out again.
b) Find the probability of a Type I error
c)…