A business owner claims that the proportion of online orders is greater than 75%. To test this claim, the owner checks the next 1000 orders and determines that 700 orders are online orders. The following is the setup for this hypothesis test: H0:p=0.75 Ha:p>0.75 Find the test statistic for this hypothesis test for a proportion and round your answer to 2 decimal places.

Can someone me and do the problem plz so i can understand it more better

Unaware that 35% of the 10000 voters in his constituency support him, a politician decides to estimate his political strength. a sample of 200 voters shows that 40% support him. a. what is the population? b. what is the parameter of interest? state its value c. what is the statistics of the interest? state its value d. compare your answers in (b) and (c) is it surprising they are different? if the politician were to sample another 200 voters, which of the two numbers would most likely change? explain

32a³b² 8ab² simplify the following expression.