Iq test scores are normally distributed with a mean of 105 and a standard deviation of 11. an individual's iq score is found to be 119. find the z-score corresponding to this value

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is