I need help on these 2 stats questions:

Homework2: Problem 4 (1 point) Is the number of American-born hockey players playing in the NHL on the rise? In the 2010-2011 season, 24% of all NHL players were born in the United States. A random sample of n = 115 NHL hockey players found that 38 were born in the United States. Does this sample suggest that the percentage of NHL hockey players that are American-born is increasing? (a) Choose the correct statistical hypotheses. F\\A.Hg:=0.24, HA:>0.24 A B. H0 : p > 0.24, HA : p g 0.24 Ac.H0:17 0.24 (b) Determine the value of the test statistic for this test, to at least two decimal places. Test Statistic = E (c) Determine the P-value for this test. Use at least three decimal places. P = E (d) Based on the above calculations, we shou I 7 the null hypothesis. Use alpha = 0.05 reject Preview My Answers Submit Answers \"Qt reJeCt . Homework2: Problem 3 (1 point) An agricultural field trial compares the yield of two varieties of corn. The researchers divide in half each of 15 fields of land in different locations and plant each corn variety in one half of each plot. After harvest, the yields are compared in bushels per acre at each location. The 15 differences (Variety A - Variety B) give 5: = 1.83 and s = 2.15. Does this sample provide evidence that Variety A had a higher yield than Variety B? (a) State the null and alternative hypotheses: (Type "mu" for the symbol p , e.g. mu > 1 for the mean is greater than 1, mu