23 + 23 - 32 x 32 - 232 + 232 = what?

Which of the following is not permitted in a roundabout? a. using your turn signal b. following the rules of right-of-way c. driving at the speed limit d. changing lanes

All of the following physical reactions occur when our fight-or-flight response is triggered  except  a. dilating pupilsb. increasing heartbeatc. increasing digestiond. increasing perspiration  select the best answer from the choices providedabcd

The probability of committing a type i error is equal to which of the following? significance level, α type i error type ii error p-value alternative hypothesis