Homework 4 Solutions
Math 150
Enrique Trevi
no
3.2:
(a) The table gives P (Z 1.13) = 0.1292. Therefore P (Z > 1.13) = 1 0.1292 =
0.8708.
(b) The table yields P (Z 0.18) = 0.5714.
(c) The table doesnt
Homework 3 Solutions
Math 150
Enrique Trevi
no
2.1:
(a) False. If it is a fair coin, it will be 50% likely to land Heads the next time.
(b) False. There are face cards that are red.
(c) True. No face
Homework 2 Solutions
Math 150
Enrique Trevi
no
1.39: Plots (1) and (3) show a positive association. (1) is linear and (3) is not. Plot (2)
shows no association. Plot (4) shows a linear negative associ
Homework 5 Solutions
Math 150
Enrique Trevi
no
4.4:
(a) The point estimate for the average is 171.1. For the median it is 170.3.
(b) For standard deviation: 9.4. For IQR: 177.8 163.8 = 14.
(c) The 180
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Homework 1 Solutions
Math 150
Enrique Trevi
no
1.2 Sinusitis and antibiotics. Researchers studying the effect of antibiotic treatment for
acute sinusitis compared to symptomatic treatments randomly as