Problems attached

problem35:
Null Hypothesis: The height of the students who plays the basketball in the school is 73 inches.
Alternative Hypothesis: The height of the students who plays the basketball in the school is less than 73 inches.
Test type: Z-test
Significance level: 5%
Standard deviation: 1.5 inches (sample)
Sample size (n): 40
Sample mean: 71 inches
P-value: almost zero (ex: 0.0000012…)
Decision: We reject the Null Hypothesis(H0)
Conclusion: we can claim that height of the students plays the basketball in the school is less than 73 inches.
Problem73:
a).
proportion.
b).
Null Hypothesis: The proportion of people suffering with depression is less than general adult population in the American population.
Alternative Hypothesis: The proportion of people suffering with depression is greater than general adult population in the American population.
C).
Right tailed.
d).
P
e).
Percentage of the people getting depression out of 100.
f).
x = 7
n = 100
p = 0.07
g).
√∑(x-p)/n
h).
Normal distribution
i).
p value = 0.5
j).
Decision: Accept Null Hypothesis.
Reason: p-value is 0.05
Conclusion: The proportion of people suffering with depression is less than general adult population in the American population.
Problem76:
Null Hypothesis: The cost of daily newspaper is equal to $1.
Alternative Hypothesis: The cost of daily newspaper is not equal to $1.
Test type: T-test
Significance level: 5%
Standard deviation: 18...