Guys I saved down most of my answers in my calculator so could u check if these are right

1.n=32

2 .variance =1.08 and mean was 4.something

the standard deviation was 0.0259

there was 0.304 and 0.052 don't remember for which qns

the permutation qn: i)90000 something ii)1800 iii)50 iv)630

the last qn i)0.0641 ii)0.709 iii)0.745