The standard deviation in the pressure required to open a certain valve is known to be o=1.2 psi. Due to changes increased. (a) State the null and alternative hypotheses in words. (b) State the null and alternative hypotheses symbolically. (c) Explain what it would mean to make a Type I error. (d) Explain what it would mean to make a Type II error. (a) State the null hypothesis in words. Choose the correct answer below. OA. The standard deviation in the pressure required to open a certain valve is 1.2 psi. OB. The standard deviation in the pressure required to open any valve is 1.2 psi. OC. The standard deviation in the pressure required to open a certain valve is different from 1.2 psi. OD. The standard deviation in the pressure required to open a certain valve is greater than 1.2 psi. State the alternative hypothesis in words. Choose the correct answer below. OA. The standard deviation in the pressure required to open a certain valve is 1.2 psi. B. The standard deviation in the pressure required to open any valve is 1.2 psi. OC. The standard deviation in the pressure required to open a certain valve is different from 1.2 psi. OD. The standard deviation in the pressure required to open a certain valve is greater than 1.2 psi. (b) State the hypotheses symbolically. Ho psi H₁ psi (Type integers or decimals. Do not round.)

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The standard deviation in the pressure required to open a certain valve is known to be o=1.2 psi. Due to changes
increased.
(a) State the null and alternative hypotheses in words.
(b) State the null and alternative hypotheses symbolically.
(c) Explain what it would mean to make a Type I error.
(d) Explain what it would mean to make a Type Il error.
(a) State the null hypothesis in words. Choose the correct answer below.
OA. The standard deviation in the pressure required to open a certain valve is 1.2 psi.
OB. The standard deviation in the pressure required to open any valve is 1.2 psi.
OC. The standard deviation in the pressure required to open a certain valve is different from 1.2 psi.
OD. The standard deviation in the pressure required to open a certain valve is greater than 1.2 psi.
State the alternative hypothesis in words. Choose the correct answer below.
OA. The standard deviation in the pressure required to open a certain valve is 1.2 psi.
OB. The standard deviation in the pressure required to open any valve is 1.2 psi.
OC. The standard deviation in the pressure required to open a certain valve is different from 1.2 psi.
OD. The standard deviation in the pressure required to open a certain valve is greater than 1.2 psi.
(b) State the hypotheses symbolically.
Ho
Н1
▼
psi
psi
(Type integers or decimals. Do not round.)
FE
O
Transcribed Image Text:The standard deviation in the pressure required to open a certain valve is known to be o=1.2 psi. Due to changes increased. (a) State the null and alternative hypotheses in words. (b) State the null and alternative hypotheses symbolically. (c) Explain what it would mean to make a Type I error. (d) Explain what it would mean to make a Type Il error. (a) State the null hypothesis in words. Choose the correct answer below. OA. The standard deviation in the pressure required to open a certain valve is 1.2 psi. OB. The standard deviation in the pressure required to open any valve is 1.2 psi. OC. The standard deviation in the pressure required to open a certain valve is different from 1.2 psi. OD. The standard deviation in the pressure required to open a certain valve is greater than 1.2 psi. State the alternative hypothesis in words. Choose the correct answer below. OA. The standard deviation in the pressure required to open a certain valve is 1.2 psi. OB. The standard deviation in the pressure required to open any valve is 1.2 psi. OC. The standard deviation in the pressure required to open a certain valve is different from 1.2 psi. OD. The standard deviation in the pressure required to open a certain valve is greater than 1.2 psi. (b) State the hypotheses symbolically. Ho Н1 ▼ psi psi (Type integers or decimals. Do not round.) FE O
+
F3
OA. The standard deviation in the pressure required to open a certain valve is 1.2 psi.
OB. The standard deviation in the pressure required to open any valve is 1.2 psi.
OC. The standard deviation in the pressure required to open a certain valve is different from 1.2 psi.
O D. The standard deviation in the pressure required to open a certain valve is greater than 1.2 psi.
(b) State the hypotheses symbolically.
Ho: ▼ ▼
psi
H₁
V ▼
psi
(Type integers or decimals. Do not round.)
(c) What would it mean to make a Type I error?
The manager
the hypothesis that the pressure variability is
(Type integers or decimals. Do not round.)
(d) What would it mean to make a Type Il error?
The manager
the hypothesis that the pressure variability is
(Type integers or decimals. Do not round.)
F4
F5
O +
F6
H
F7
F8
O
F9
▼
8
(...)
psi, when the true pressure variability is
psi, when the true pressure variability is
L O
F10
000
F11
W
EEE!
F12
Insert
▼
psi.
psi.
Prisc
A
Delete
Transcribed Image Text:+ F3 OA. The standard deviation in the pressure required to open a certain valve is 1.2 psi. OB. The standard deviation in the pressure required to open any valve is 1.2 psi. OC. The standard deviation in the pressure required to open a certain valve is different from 1.2 psi. O D. The standard deviation in the pressure required to open a certain valve is greater than 1.2 psi. (b) State the hypotheses symbolically. Ho: ▼ ▼ psi H₁ V ▼ psi (Type integers or decimals. Do not round.) (c) What would it mean to make a Type I error? The manager the hypothesis that the pressure variability is (Type integers or decimals. Do not round.) (d) What would it mean to make a Type Il error? The manager the hypothesis that the pressure variability is (Type integers or decimals. Do not round.) F4 F5 O + F6 H F7 F8 O F9 ▼ 8 (...) psi, when the true pressure variability is psi, when the true pressure variability is L O F10 000 F11 W EEE! F12 Insert ▼ psi. psi. Prisc A Delete
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