Mathematics, 27.05.2020 15:58, Xavier2712
In a survey of 1000 American adults conducted in April 2012, 43% reported having gone through an entire week without paying for anything in cash. Test to see if this sample provides evidence that the proportion of all American adults going a week without paying cash is greater than 40%. Use the fact that a randomization distribution is approximately normally distributed with a standard error of SE=0.016. Show all details of the test and use a 5% significance level.
1. State the null and alternative hypotheses.
2. What is the test statistic? Round your answer to two decimal places.
3. What is the p-value? Round your answer to two decimal places.
4. What is the conclusion?
Answers: 3
Mathematics, 21.06.2019 12:30, jaydenromero31
And employees salary increase by $4500 which represents a 15% raise what is the employees new salary
Answers: 3
Mathematics, 21.06.2019 13:30, golderhadashaowtatz
Gabriel paints flower pots to sell at a craft fair. she paints 2/5 of a flower pot teal, 1/4 of it yellow, and the rest of it white. what fraction of the pot is painted either teal or yellow?
Answers: 3
In a survey of 1000 American adults conducted in April 2012, 43% reported having gone through an ent...
Mathematics, 15.10.2020 01:01
Mathematics, 15.10.2020 01:01
Computers and Technology, 15.10.2020 01:01
Mathematics, 15.10.2020 01:01
Mathematics, 15.10.2020 01:01
Mathematics, 15.10.2020 01:01