Question 26 [Mandatory] (3 points) The number of cialangered species for sevend groups are listed below Bink Reptiles Amphibians United States Foreign 251 175 If one endangered species is selected it random, foul deproliability ed itis's foreign bint 0.2489 0.2640 0.3818 01176 0.3921 Question 27 (Mandatory] (5 points) The sensitivity of a screening test is 0.95, and its specificity is 0.85, The rate of the disease for which the test is used is 0.002. What is the predictive value positive of the test? 0.1500 Q0.0002 0.0214 0.1250 0.0125 Question 28 (Mandatory) (3 points) The probability distobution of the quinber of patient ( X P(x) 10.11 0.41 0.24 0.18 10.06 What is the probability that there are at most 3 patients with headache at the clinic on a given day? O0.24 O0.18 O0.76 Q0.94