Mathematics, 21.05.2020 18:01 paigejohnson955
A counselor claims that 20% of all students who take SAT score at least 1200, 25% score between 1000 and 1190, and the remaining 55% score below 1000. A sample of 120 students showed that 20 students had the score of 1200, 35 had a score between 1000 and 1190, while the remaining 65 students scored below 1000. Test the counselor’s claim at 0.05 level of significance, using p-value of 50%.
Answers: 3
Mathematics, 21.06.2019 16:30, brysonsandridge69041
Diana is painting statues she has 7/8 of a liter of paint each statue requires 1/20 of a liter of paint how many statues can she paint?
Answers: 1
Mathematics, 22.06.2019 00:50, india336
To diagonalize an nxn matrix a means to find an invertible matrix p and a diagonal matrix d such that a pdp d p ap or [1 3 dh epap 3 let a=-3 -5 -3 3 3 1 step 1: find the eigenvalues of matrix a "2's" step 2: find the corresponding eigenvectors of a step 3: createp from eigenvectors in step 2 step 4 create d with matching eigenvalues.
Answers: 3
A counselor claims that 20% of all students who take SAT score at least 1200, 25% score between 1000...
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