Question 20 (1 point) Researchers are investigating physical characteristics of a certain type of adult porcupine. As part of the study, they carry out a test of the null hypothesis that the true mean weight of adult porcupine is 7 against a two-sided alternative hypothesis. In their situation, from a large body of evidence they feel that they know the population standard deviation, and so they carry out a Z test. They found a Z test statistic of 0.54. What is the p-value of the test? (Give your numeric response to at least 3 decimal places. Give only your numeric response, and not any extra characters or symbols.) Your