Standard X-Ray Machines Should Give Radiation Dosages Below 5

Multiple Choice

Standard x-ray machines should give radiation dosages below 5.00 mill roentgens.To test a certain x-ray machine a sample of 36 observations is taken with a mean of 4.13 m.and a standard deviation of 1.91 m.Calculate the p-value for this test statistic.

A) 0.0032
B) 0.0001
C) 0.3264
D) 0.0064
E) -0.0032