Answer Happy

Records from a toy manufacturing company showed that the mean time that the top-selling toy captured children's attention was 35 minutes. A competing company strongly suspects that the mean time will be less than 35 minutes for the new generation of children and wishes to carry out a hypothesis test. State the null hypothesis Ho and the alternative hypothesis H, that we would use for this test. Ho O H₁: 0 D> Ix X a P S

The mean height of a certain kind of plant is 198 centimeters. Suppose we want to carry out a hypothesis test to see if the mean height when these plants are treated with a certain chemical differs from 198. State the null hypothesis H, and the alternative hypothesis H, that we would use for this test. HO HO 14 ca X O x O=D 0+0 cf 0<0 OSD 00 020 P 5 S C