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rayniqueamee2002
03.02.2021 •
Mathematics
Find the real cube root of -1000 to the 3rd power
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Ответ:
Another way to think of it:
Cube root of -1000 * -1000 * -1000
Cube root of -1,000,000,000
Or cube root of (-1000)^(1/3) is
(-1000)^(1/3)*3 = -1000^1 = -1000
Ответ:
μ₀ = 89
Step-by-step explanation:
A study has shown that 23 % of all College textbook cost 95 $ or more, then if the area under the bell shape curve is 23 % in the right tail, then
z(score ) = 0,74 ( 0,23 ≈ 0,2296 from z table )
Then z(score) = ( x - μ₀ ) / σ
0,74 = ( 95 - μ₀ ) / 8,5
0,74*8,5 = 95 - μ₀
6,29 - 95 = - μ₀
μ₀ = 88,71
μ₀ = 89