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- The probability that X is between 0.46 and 1.1 in the problem below is ?What is the probability that zz is greater than −0.25A home pregnancy test was given to women, then pregnancy was verified through blood tests. The following table shows the home pregnancy test results. Negative Pregnant Not Pregnant Total Positive 80 7 87 9 55 64 > Next Question Total 89 62 151 Find the following. Give answers as a reduced fraction or decimal to at least 4 decimal places. a. P(Positive | Pregnant) = b. What is the probability that the woman is pregnant given that the test is positive? c. Given that a woman is pregnant, what is the probability that the test is negative? d. P(Not Pregnant | Negative) =
- The probability of winning $20 in a particular lottery is 0.04 What is the probability that you will get at least one $20 winner if you buy 90 tickets? Round to three decimal places.The data represent the results for a test for a certain disease. Assume one individual from the group is randomly selected. Find the probability of getting someone who tested positive, given that he or she had the disease. The probability is approximately The individual actually had the disease Yes D No 126 11 Positive Negative (Round to three decimal places as needed.) 34 129If the probability P (a < x < b ) = 0.0395 for the function Y = 3 X 2 and a = 0.15, find the value of b. 0.54 0.35
- Sean thinks that he has a special relationship with the number 6. In particular, Sean thinks that he would roll a 6 with a fair 6-sided die more often than you'd expect by chance alone. Suppose pis the true proportion of the time Sean will roll a 6. (a) State the null and alternative hypotheses for testing Sean's claim. (Type the symbol "p" for the population proportion, whichever symbols you need of "", "-", "not =" and express any values as a fraction e.g. p = 1/3) Ho= Ha (b) Now suppose Sean makes n = 30 rolls, and a 6 comes up 6 times out of the 30 rolls. Determine the P-value of the test, giving your answer to 4 decimal places. Please use 3 decimal places in your test statistic when finding the P-value. P-value = ⠀⠀ (c) Answer the question: Does this sample provide evidence at the 5 percent level that Sean rolls a 6 more often than you'd expect? (Type: Yes or No) 4The data represent the results for a test for a certain disease, Assume one individual from the group is randomly selected. Find the probability of getting someone who tests positive, given that he or she had the disease. The individual actually had the disease Yes 130 23 No Positive Negative 13 134 The probability is approximately (Round to three decimal places as needed.)Based on a poll, among adults who regret getting tattoos, 12% say that they were too young when they got their tattoos. Assume that nine adults who regret getting tattoos are randomly selected, and find the indicated probability. Complete parts (b) through (c) below. a. Find the probability that none of the selected adults say that they were too young to get tattoos. 0.3165 (Round to four decimal places as needed.) b. Find the probability that exactly one of the selected adults says that he or she was too young to get tattoos. (Round to four decimal places as needed.) c. Find the probability that the number of selected adults saying they were too young is 0 or 1. (Round to four decimal places as needed.)
- Find the probability that z is greater than -1.72.The data represent the results for a test for a certain disease. Assume one individual from the group is randomly selected. Find the probability of getting someone who tested negative, given that he or she had the disease. The individual actually had the disease Yes No Positive 144 Negative 20 127 The probability is approximately (Round to three decimal places as needed.)When rolling two fair six-sided dice, getting a pair of 1s is called “snake eyes.” The probability of getting “snake eyes” on any roll is 1/36. Suppose that a game player rolls the two dice 80 times. Let X = the number of rolls that result in “snake eyes.” Find P(X = 2). Interpret this value in context.