Answer Happy

Points VIOUS ANSWERS BBBASICSTAT6 6.R.015.5. Hawaii shark attacks are very rare. Furthermore, about 55% of all shark attacks are serious, but not fatal. You are scheduled to give a talk at a local scuba club in Honolulu and want to include a hef statistical profile regarding the most recent six shark attacks, all of which were nonfatal. Letr be the number of nonfatal attacks out of a random sample of six shark attacks. LAUSE SALT (a) Make a histogram for the probability distribution of r 0.35 0.35 0.30 0.30 0.25 0.25 0.20 0.20 0.15 0.15 0.10 0.10 0.05 0.05 0 5 6 2 3 4 5 6 0.35 0.35 0.30 0.30 0.25 0.25 0.20 0.20 015 0.15 0.10 0.10 005 0.01) 0 1 2 3 4 5 6 345 An 0 4 1 An 0 1 jes
0.35 0.30 0.25 €0.20 0.15 0.10 0.05 0 0 0 1 2 3 5 6 0 1 2 3 4 5 6 r r (b) What is the probability all six shark attacks are nonfatal? (Round your answer to three decimal places.) (c) What is the probability that two or more of the six shark attacks are nonfatal? (Round your answer to three decimal places.) (d) What is the expected number of nonfatal shark attacks out of the six? What is the standard deviation of the r-probability distribution? (Round your answer to three decimal places.) P(r) 0.35 0.30 0.25 0.20 0.15 0.10 0.05 4