SOLUTION: Testing: H0:p=0.34 H1:p ≠ 0.34 Your sample consists of 139 subjects, with 42 successes. Calculate the test statistic, rounded to 2 decimal places z=

Algebra.Com
Question 1147802: Testing:
H0:p=0.34
H1:p ≠ 0.34

Your sample consists of 139 subjects, with 42 successes. Calculate the test statistic, rounded to 2 decimal places
z=

Answer by Boreal(15235)   (Show Source): You can put this solution on YOUR website!
p hat is 42/139 or 0.30. Don't round
the test statistic is z=(0.30-0.34)/sqrt(0.34*0.66/139)
this is z=-0.94, rounding at end.

RELATED QUESTIONS

Testing: H0:p = 0.71 H1:p < 0.71 Your sample consists of 100 subjects, with 76... (answered by math_tutor2020)
Testing: H0:p=0.9 H1:p<0.9 Your sample consists of 106 subjects, with 92... (answered by Boreal)
Your sample consists of 72 subjects, with 53 successes. Calculate the test statistic,... (answered by jim_thompson5910)
Testing: H0:p ≤ 0.35 HA:p > 0.35 Your sample consists of 148 subjects, with 59... (answered by Boreal)
Testing: Ho:p=.66 H1>.66 Your sample consists of 80 subjects, with 57 successes.... (answered by Alyssa Maserang)
p Value? Is the national crime rate really going down? Some sociologists say yes! They... (answered by Boreal)
H 0 : μ = 16.71 H 1 : μ ≠ 16.71 Your sample consists of 24... (answered by Boreal)
consider the hypothesis test with Null hypothesis H0: u= 500 alternative hypothesis... (answered by Theo)
Consider the hypothesis test given by H0:p 0.5 H1:p 0.5 In a random sample of 225... (answered by stanbon)