As an engineer working for a water bottling company, you collect the following data in order to test the performance of the bottling systems. Assume the normal distribution. -including answers submitted in WebAssign.) Milliliters of Water in the Bottle 485 490 495 X 500 505 510 515 What is the mean (in milliliters)? 500 I milliliters What is the standard deviation (in milliliters)? 8.3166 X milliliters Frequency What is the z value corresponding to 495 milliliters? z = -0.64209 8 12 22 35 20 13 12

MATLAB: An Introduction with Applications
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what I have is working for other problems but not this one. apparently my standard deviation is off somehow 

following formulas I have in: 

standard deviation=SQRT(SUM(F77:F83)/(117-1))

 

As an engineer working for a water bottling company, you collect the following data in order to test the performance of the bottling systems. Assume the normal distribution.
-including answers submitted in WebAssign.)
Milliliters of Water in the Bottle
485
490
495
500
505
510
515
What is the mean (in milliliters)?
500
milliliters
What is the standard deviation (in milliliters)?
8.3166
X milliliters
Frequency
What is the z value corresponding to 495 milliliters?
z = -0.64209
x
Referring to this table, determine the A value.
A = 0.2389
x
8
12
22
35
20
13
12
Determine the probability that a bottle would be filled with more than 495 milliliters.
probability=0.7389
✓
Transcribed Image Text:As an engineer working for a water bottling company, you collect the following data in order to test the performance of the bottling systems. Assume the normal distribution. -including answers submitted in WebAssign.) Milliliters of Water in the Bottle 485 490 495 500 505 510 515 What is the mean (in milliliters)? 500 milliliters What is the standard deviation (in milliliters)? 8.3166 X milliliters Frequency What is the z value corresponding to 495 milliliters? z = -0.64209 x Referring to this table, determine the A value. A = 0.2389 x 8 12 22 35 20 13 12 Determine the probability that a bottle would be filled with more than 495 milliliters. probability=0.7389 ✓
Milliliters of
Water in
the bottle Frequency x*f
Refer to
tables in
problem
examples
for A #'s
485
490
495
500
505
510
515
485
490
495
Mean
Z
500
505
510
515
Az1
Milliliters of Water in the
bottle
Refer to tables in
problem examples for A
#'s
change first number in z formula
to match what z score is asking for
00 223 22
8
8
12
22
35
12
Frequency
35
20
13
12
20
13
(Mean)
12
Mean
z
A₂1
x-xbar (x-xbar)²+f
3880
500.34 -15.34 1882.9863
5880
500.34 -10.34 1283.4539
10890
500.34
17500 500.34
10100
500.34
6630
500.34
6180 500.34
500.34
-0.64209
0.2389
0.7389
xbar
(Mean) x f
=A77 877
=A78 878
=A79*B79
=A80*880
=A81*B81
=A82 882
=A83*B83
0.2389
-0.5+C87
-5.34 627.78508
-0.34 4.0908759
4.66 433.96157
standard
deviation
9.66 1212.6306
14.66 2578.3257
500.34188034188
-(495-500.34)/F85
change first number in z formula to match what z score is asking for
8.3166
xbar
x-xbar
-SUM(C$3:C$9)/117 =A77-D77
=SUM(C$3:C$9)/117 =A78-D78
=SUM(C$3:C$9)/117 =A79-D79
-SUM(C$3:C$9)/117 A80-D80
-SUM(C$3:C$9)/117 =A81-D81
-SUM(C$3:C$9)/117 A82-D82
-SUM(C$3:C$9)/117 =A83-D83
Answers
(x-xbar) f
=E77^2*877
=E78^2*878
=E79^2*879
=E80^2 880
=E81^2*881
=E82^2*882
=E83^2*883
standard deviation -SQRT(SUM(F77:F83)/(117-1)
Formulas put in
Transcribed Image Text:Milliliters of Water in the bottle Frequency x*f Refer to tables in problem examples for A #'s 485 490 495 500 505 510 515 485 490 495 Mean Z 500 505 510 515 Az1 Milliliters of Water in the bottle Refer to tables in problem examples for A #'s change first number in z formula to match what z score is asking for 00 223 22 8 8 12 22 35 12 Frequency 35 20 13 12 20 13 (Mean) 12 Mean z A₂1 x-xbar (x-xbar)²+f 3880 500.34 -15.34 1882.9863 5880 500.34 -10.34 1283.4539 10890 500.34 17500 500.34 10100 500.34 6630 500.34 6180 500.34 500.34 -0.64209 0.2389 0.7389 xbar (Mean) x f =A77 877 =A78 878 =A79*B79 =A80*880 =A81*B81 =A82 882 =A83*B83 0.2389 -0.5+C87 -5.34 627.78508 -0.34 4.0908759 4.66 433.96157 standard deviation 9.66 1212.6306 14.66 2578.3257 500.34188034188 -(495-500.34)/F85 change first number in z formula to match what z score is asking for 8.3166 xbar x-xbar -SUM(C$3:C$9)/117 =A77-D77 =SUM(C$3:C$9)/117 =A78-D78 =SUM(C$3:C$9)/117 =A79-D79 -SUM(C$3:C$9)/117 A80-D80 -SUM(C$3:C$9)/117 =A81-D81 -SUM(C$3:C$9)/117 A82-D82 -SUM(C$3:C$9)/117 =A83-D83 Answers (x-xbar) f =E77^2*877 =E78^2*878 =E79^2*879 =E80^2 880 =E81^2*881 =E82^2*882 =E83^2*883 standard deviation -SQRT(SUM(F77:F83)/(117-1) Formulas put in
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