Mathematics, 09.07.2020 01:01, kobiemajak
In Hawaii, January is a favorite month for surfing since 60% of the days have a surf of at least 6 feet.† You work day shifts in a Honolulu hospital emergency room. At the beginning of each month you select your days off, and you pick 5 days at random in January to go surfing. Let r be the number of days the surf is at least 6 feet.
(a) What is the probability of getting 4 or more days when the surf is at least 6 feet? (Round your answer to three decimal places.)
(b) What is the probability of getting fewer than 2 days when the surf is at least 6 feet? (Round your answer to three decimal places.)
(c) What is the expected number of days when the surf will be at least 6 feet? (Round your answer to two decimal places.)
days
(d) What is the standard deviation of the r-probability distribution? (Round your answer to three decimal places.)
days
(e) Can you be fairly confident that the surf will be at least 6 feet high on one of your days off? Explain. (Round your answer to three decimal places.)
Yes, because the probability of at least 1 day with surf of at least 6 feet is and the expected number of days when the surf will be at least 6 feet is greater than one.
Answers: 3
Mathematics, 21.06.2019 17:00, TheOriginal2x
What is the arc length when θ =pi over 3 and the radius is 5 cm? (5 points) 5 pi over 3 cm 10 pi over 3 cm 16 pi over 3 cm pi over 3 cm
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Mathematics, 22.06.2019 00:30, angelthompson2018
Francisco's credit card has an apr of 28.98%, calculated on the previous monthly balance. his credit card record for the last 7 months is shown in the table below francisco is trying to figure out what this all means. answer the following questions: what is the total amount that francisco has paid in interest over the 7 months? what is the total amount that francisco has made in payments over the 7 months? how much of francisco's payments have gone to paying down the principal on his account? what is francisco's new balance at the end of month 8? what will francisco be charged for interest for month 8?
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