A researcher asked participants to rate the softness of two…

A researcher asked participants to rate the softness of two well-known brands of tissue paper—Daisy and Flora. Daisy was rated softer than Flora and their mean ratings were 5.50 and 3.25, respectively. This difference was statistically significant at the .05 probability level. The null hypothesis for the population suggests that

A consumer analyst asks participants to rate the health bene…

A consumer analyst asks participants to rate the health benefits of two health drinks—EnerG and Supreme. EnerG is rated more nutritive, with a mean of 5.5, than Supreme, which is found to have a mean of 4.3. The Type II error would be to conclude that EnerG is

Angie was in an abusive relationship with her spouse, Betsy….

Angie was in an abusive relationship with her spouse, Betsy.  Betsy was an alcoholic and, when drunk, would often beat Angie.  During the course of their marriage, the beatings became worse and more frequent.  Unable to endure it any longer, Angie hired an assassin to kill Betsy.  Angie informed the assassin that the best time to kill Betsy would be three evenings from now–on Thursday evening–because Angie would be out of town and Betsy typically got extremely intoxicated on Thursday nights.  That Thursday evening, while Betsy was asleep in a drunken stupor, the assassin entered the home with a spare key that Angie had given him.  The assassin shot Betsy to death.  Later on, detectives discovered evidence that Angie had hired someone to kill Betsy; she was charged with first-degree murder.  In the jurisdiction, premeditated murder and felony murder are classified as first-degree murder; all other murders fall within second-degree murder. Should Angie be convicted of first-degree murder?