Note -that Image is not clear , last part is not visible at all .
Given
x = 34
n = 355
Thus Estimate of sample proportion of inaccuracy in order is given by
= x/n = 34 / 355 = 0.09577465
Thus
= 0.09577465
Null and alternative hypothesis are
B) H0 : p = 0.1
H1 : p
0.1
For this hypothesis test we use one sample proportion z-test
Test Statistics TS :
TS =
now n = 355 , p = 0.1 ,
= 0.09577465
Thus
TS =
=
= -0.00422535 / 0.01592235 = -0.2653723
Thus Test Statistics for his hypothesis test is -0.2654
To compute P-value
Since alternative hypothesis is of "
" type , so this is two-tail test .
Hence P-value is given by
P-value = P ( Z < - | TS | ) + P ( Z > | TS | )
here Z ~ N(0,1)
Thus P-value = P ( Z < - | TS | ) + P ( Z > | TS | )
P-value = 2*P ( Z < - | TS | ) { due to symmetry }
P-value = 2*P ( Z < -0.2654 )
Now P ( Z < -0.2654 ) can be computed from statistical book or more accurately from any software like R,Excel
From R
> 2*pnorm(-0.2654
,m=0,sd=1)
# 2*P ( Z < -0.2654 )
[1] 0.7907013
thus 2*P ( Z < -0.2654 ) = 0.7907013
Hence P-Value = 0.7907013
rounding to four decimals
P-value = 0.7907
Conclusion:
Since P-Value is 0.7907 which is greater than 0.011 given significance level
i.e P-value = 0.7907 > 0.01
Hence we do not reject null hypothesis H0 at 1% of level of significance .
Correct Options is
Fail to reject H0 , there is not sufficient evidence to that reject the claim that inaccuracy in orders is equal to 10% .
{ i.e we conclude that inaccuracy in order may be equal to 10% }
Note that Last part is not at all visible , not able to read all options as well as question, it is a MCQ ,
If you are not getting that answer of last question, you can ask for that in comment box
2. (5 pts) Find the Thevenin equivalent resistance RTh at terminals a-b: 120 RTh 200 w 50 a 200 A 5A 15V b
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Please give steps. Thank you
eaage t)- Aet coslw't te w-k b 2 2 If b-O w' wo Show x and solue
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Questions 6 and 7 are wo provided. rth 2 points each. Provide the correct answer directly on this page in the space 6. You are conducting the following hypothesis test at a signift cance level of a 01: If n - 9 and n2 25, what is the lef-tailed crtical value for rejecting the null hy #6 ANSWER: You have just conducted a two-tailed hypothesis test of the difference between 2 independent population proportions. The value of the test statistic...
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using source exchange find i
W WO 3 ka W 3k0 12 V 2 mA 32k AVT 24 2 mA
Find the Thevenin equivalent circuit (Vth, Rth) at the terminals
a-b of the circuit below.
RTh 50 kΩ 9i VTh 20V. op
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Solve for RIN(BASE), RTH, VTH, IB, IC, IE, VCE and re' (use the formula re' = 26mV/IE Voc +12 V } R 22 k22 Rc 1.0 kΩ Poc = 150 R2 6.8k2 W RE 5602 RIN(BASE) - VTH = RTH IB = IC = IE = VCE re'