4. obtain follows Poobability of each class os $(zim)-$(zi) For last class 1-(zi)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 31E
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Can you explain in more detail how the probability for classes (part 4) is calculated ?

4.0btain
Probability f e
each Class os
follows
$(zim) – $(=i)
For last class
$(zi)
5. Multiply prokability of each Cloys cwith total
trequeucy N 284
get theoretical
dexpected frequeucies.
Lower limit (X) Z=X-mean
SD
Class
Ø(z)
Probability
Expected frequency
300-306
300
-2.68
0.0037
0.0191
5.4244
306-312
306
-1.9986
0.0228
0.0706
20.0504
312-318
312
-1.3172
0.0934
0.1677
47.6268
318-324
318
-0.6358
0.2611
0.2588
73.4992
324-330
324
0.0456
0.5199
0.2474
70.2616
330
0.727
0.7673
0.1534
43.5656
330-336
0.9207
0.061
17.324
336-342
336
1.4084
0.0183
5.1972
342-348
342
2.0898
0.9817
Durple
1.
Transcribed Image Text:4.0btain Probability f e each Class os follows $(zim) – $(=i) For last class $(zi) 5. Multiply prokability of each Cloys cwith total trequeucy N 284 get theoretical dexpected frequeucies. Lower limit (X) Z=X-mean SD Class Ø(z) Probability Expected frequency 300-306 300 -2.68 0.0037 0.0191 5.4244 306-312 306 -1.9986 0.0228 0.0706 20.0504 312-318 312 -1.3172 0.0934 0.1677 47.6268 318-324 318 -0.6358 0.2611 0.2588 73.4992 324-330 324 0.0456 0.5199 0.2474 70.2616 330 0.727 0.7673 0.1534 43.5656 330-336 0.9207 0.061 17.324 336-342 336 1.4084 0.0183 5.1972 342-348 342 2.0898 0.9817 Durple 1.
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