Google it: According to a report of the Nielsen Company, 70% of internet searches used the Google search engine. Assume that a sample of 24 searches is studied. Round the answers to at least four decimal places. Part 1 of 4 (a) What is the probability that exactly 21 of them used Google? The probability that exactly 21 of them used Google is 0.0305 Part: 1/4 Part 2 of 4 (b) What is the probability that 16 or fewer used Google? The probability that 16 or fewer used Google is X 5

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A baseball team claims that the mean length of its games is more than 1.4 hours. State H0 and Ha in words and in symbols. Then determine whether the hypothesis test for this claim is​ left-tailed, right-tailed, or​ two-tailed. Explain your reasoning.       State the null hypothesis in words and in symbols. Choose the correct answer below.     A. The null hypothesis expressed in words​ is, "the mean length of a baseball​ team's games is not 1.4 ​hours." The null hypothesis is expressed symbolically​ as, ​"H0​: μ≠1.4​."   B. The null hypothesis expressed in words​ is, "the mean length of a baseball​ team's games is at least 1.4 ​hours." The null hypothesis is expressed symbolically​ as, ​"H0​: μ≥1.4​."   C. The null hypothesis expressed in words​ is, "the mean length of a baseball​ team's games is at most 1.4 ​hours." The null hypothesis is expressed symbolically​ as, ​"H0​: μ≤1.4​."   D. The null hypothesis expressed in words​ is, "the mean length of a…