Mathematics, 07.04.2020 19:09 ijohnn15
A sample of 200 observations from the first population indicated that x1 is 170. A sample of 150 observations from the second population revealed x2 to be 110. Use the 0.05 significance level to test the hypothesis.
Answers: 1
Mathematics, 21.06.2019 20:20
Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?
Answers: 1
Mathematics, 21.06.2019 21:30
Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)
Answers: 1
A sample of 200 observations from the first population indicated that x1 is 170. A sample of 150 obs...
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