The average school loan length is more than 2.6 years. Select the correct Alternative Hypothesis: Ha : μ > 2.6 Ha : p > 2.6 Ha : p ≥ 2.6 Ha : μ ≤ 2.6 Ha : μ ≠ 2.6 Ha : p < 2.6

10. An engineering study was undertaken to determine the optimum thickness of aluminum to be used to construct cans to be used for cat food. Cans made of aluminum of thickness 2.10 mm and 1.90 mm were tested to determine the maximum load each would sustain before collapsing. The sample data is summarized below. Use a = 0.05 to test the claim that the thicker cans are stronger (will withstand a higher load). 2.10 mm thick 1.90 mm thick sample size 175 170 mean maximum load (kg) 28.18 26.71 standard deviation of maximum load (kg) | 2.78 2.21

Solve it completely and correctly please. I will rate accordingly.

The old drug treatment for a specific type of cancer produced a five year survival rate of 15 to 1,000.  In a sample of a new drug, the survival rate is 45 per 1,000.   Has there been an increase in the overall survival rate with new drug?  The null and alternative hypotheses are:   H subscript 0 colon space M equals 15 space a n d space H subscript 1 colon space M equals 45 H subscript 0 colon space M equals 45 space a n d space H subscript 1 colon space M equals 15 H subscript 0 colon space M equals 15 space a n d space H subscript 1 colon space M greater than 15 H subscript 0 colon space M less than 15 space space a n d space H subscript 1 colon space M equals 45 space H subscript 0 colon space M less than 15 space space a n d space H subscript 1 colon space M element of 15 space