A sample proportion of 0.62 is found. to determine the margin of error for the statistics a simulation of 200 trials run, each with a sample size of 100 and a point estimate of 0.62. the minimum sample portion for the simulation is 0.73 The maximum sample portion of the simulation is 0.97. what is the margin of error of the population proportion using an estimate of the standard deviation.

C

1.   an exact solution requires a radical solution - no decimal approximation.2. (a)4x^3 = 756x^3 = 756/4 = 189x =   cube root of 189 =   5.74   to nearest hundredth answer(b)   189 = 3*3*3*7   so we can write the cube root of 189 as 3∛7 answerchecking (a) 4*(5.74^3 =   756.48   which is very close(b)   4* ((3∛3)^3   = 4*189   = 756   - spot on! 3. i would use solution b because the original question asked for an exact solution.

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