Mathematics, 25.11.2020 14:20 tonehasarathi
A random sample of 12 chemists from Washington stats shows an average salary of $39,420 with a standard deviation of $1659. A random sample of 26 chemists from New Mexico has an average salary of $30,215 with a standard deviation of $4116. Find the 98% confidence interval of the difference of means.
Answers: 3
Mathematics, 21.06.2019 18:30
For each polynomial, determine the degree and write the polynomial in descending order. a. –4x^2 – 12 + 11x^4 b. 2x^5 + 14 – 3x^4 + 7x + 3x^3
Answers: 2
Mathematics, 21.06.2019 19:00
[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?
Answers: 1
Mathematics, 21.06.2019 19:00
The distributive property allows you to say that 3(x − 1) = 3x −
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Mathematics, 21.06.2019 21:20
Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.
Answers: 2
A random sample of 12 chemists from Washington stats shows an average salary of $39,420 with a stand...
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