The principal of a school claims that 30 % of grade 3 pupils stay in the playground after their classes. A survey among 500 grad
e 3 pupils revealed that 150 of them stay in the playground after their classes. Use 99% confidence to conduct a test of proportions. No unrelated answers or links or you will be reported. Thanks
A survey among 500 grade 3 pupils revealed that 150 of them stayin the playground after their classes. Use 95% confidence to conduct a test of proportion. 1 1.
