Region Mean ($) Standard Deviation ($) Island 4.207 0.5591 Mainland 3.966 0.4129 Over the next few parts, you will answer this question: What is the probability that a randomly selected Island frog will have a larger END than a randomly selected Mainland frog? 1. On average, how much larger is the END for Island frogs compared with the END for Mainland frogs? O A. 0.241 O B. - 0.146 O C. 4.087 O D. - 0.241 O E. 0.146 OF. 8.173 The researchers believe that the Island frogs and Mainland frogs are independent of each other for the purposes of this analysis. 2. What is the standard deviation of the difference in END between Island frogs and Mainland frogs? O A. 0.1462 O B. 0.6950 O C. 0.9720 O D. -0.1462 O E. 0.3770 3. What is the z-value for determining this probability? (I Ise vour values from narts 1 and ? Round vnur answer to ? decimal places )