The average production of peanuts in Virginia is thought to be 3000 Ibs per acre. A random sample of 10 farm plots shows a sample mean of 3,300 lbs per acre, with a standard deviation of 578. At a .05 level of significance, can you conclude that the average lbs per acre has increased or is greater ? problem number and source Test Used, Calculator test selection problem number and source problem number and source Test Used, Calculator test selection Test Used, Calculator test selection Claim in symbols M>30 Null Alternative u>3300 M=3000 Claim in symbols |Claim in symbols M= 3000 M=3000 u> 300 M13000 300 Null Null Alternative Alpha significance level Alternative JAlpha significance level Alpba significance level

So which one should I choose?

Name: ID: A 15. An experiment was designed to test whether or not students can tell the difference between tap water and bottled water. For cach student in a class of 20 students, three cups of water will be used. Two of the cups will be filled with either tap water or bottled water and the final cup filled with the other type. The students will drink all three cups of water and will be asked to identify which cup ofwater was different from the others. The type of water to be poured in two of thc three qups will be determined by random assignment. Which of the following cannot bc used to randomly assign each student to either two cups of tap water and one cup of bottled water or two cups of bottled water and one cup of tap water? Put each studcnt's name on cqually sized pieces of paper and then put the names in a hat. Mix the names thoroughly. The first ten students selected will be given two cups of tap water and the other students will be given two cups of botted water. a. b. Label…

Harry has to visit 10 cities. He can visit three in anyone day, and the order in which he visits themdoesn’t matter to him. How many different wayscan he select three cities from the ten?