Local parents and their children were invited to the grand opening of a daycare center. Each of the 151 attendees got to spin a wheel to win a prize. The tablebelow summarizes the data on the attendees and their prizes.Pencil Cup Magnet40Parent1826Child9.4315Suppose an attendee from the grand opening is chosen at random.Answer each part. Do not round intermediate computations, and round your answers to the nearest hundredth.(If necessary, consult a list of formulas.)(a) What is the probability that the attendee is a child or won a pencil?(b) What is the probability that the attendee is a parent, given that the attendee won a cup?

a) The contingency table is given as follows: Pencil Cup Magnet Row Total Parent…

Answered: Local parents and their children were…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The Nenana Ice Classic is an annual contest to guess the exact time in the spring thaw when a tripod erected on the frozen. Tanana River near Nenana, Alaska, will fall through the ice. The contest has been run since 1917. The 2017 jackpot was $267,444. The table gives simplified data that record only the date on which the tripod fell each year. The earliest date so far is April 20. To make the data casier to use, the table gives the date each year in days starting with April 20. That is, April 20 is 1, April 21 is 2, and so on. Days from April 20 for the Tanana River tripod to fall Duy Year 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 Year 1948 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 Days from April 20 for the Tanana River tripod to fall 1983 11 1984 22 14 22 22 23 20 22 16 7 23 17 16 19 21 12 19 Day 19 9 15 19 21 15 17 21 17 11. 11 10 11 21 10 20 Days from April 20 for the Tanana River tripod to fall Year 1934 1935…
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