Mathematics, 19.09.2021 14:00 devinmoore4664
A test of the breaking strength of 6 ropes manufactured by a company
showed a mean breaking of and a standard deviation of s=150N, whereas
the manufacturer claimed a mean breaking strength of 8000N .Against the
alternative that it is less .Can we support the manufacturer’s claim at a level
of significance
Answers: 1
Mathematics, 21.06.2019 14:30
Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?
Answers: 3
Mathematics, 21.06.2019 18:30
Which representation has a constant of variation of -2.5
Answers: 1
Mathematics, 21.06.2019 21:00
Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?
Answers: 1
Mathematics, 21.06.2019 21:30
Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?
Answers: 3
A test of the breaking strength of 6 ropes manufactured by a company
showed a mean breaking of and...
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