Statistics for Business
Concluding the mean fee is less than $55\$55 when it is actually $55\$55
Concluding the mean fee is not less than $55\$55 when it is actually less than $55\$55
Concluding the mean fee is $55\$55 when it is actually less than $55\$55
Concluding the mean fee is less than $55\$55 when it is actually not less than $55\$55