9 4 1 Test a hypothesis about a proportion using the P value

Last updated: 4/26/2023

9 4 1 Test a hypothesis about a proportion using the P value me 27 7 points Example Hypothesis Test P value An educational specialist is studying attitudes of teachers about the use of virtual reality in the classroom She samples 555 teachers and finds that 417 of them believe that virtual reality would have a positive effect Can she conclude that the proportion of teachers who believe it will have a positive effect is greater than 90 Use the a 0 05 level of significance Hints Z p Po Po 1 P n Z Statistic To get Z value in calculator STAT Tests 1 PropZtest Stats pc n prop Po Po po Calculate Output will be z po p n To find p from z use this function normalcdf 3 13 199 0 1 8 7499861955 4