Mathematics, 22.07.2019 02:20 jrfranckowiak
Urn a contains 8 yellow balls and 6 red balls. urn b contains 3 yellow balls and 9 red balls. urn c contains 4 yellow balls and 11 red balls. an urn is picked randomly (assume that each urn is equally likely to be chosen), and then a ball is picked from the selected urn. what is the probability that the chosen ball came from urn b, given that it was a yellow ball? a) 0.2451 b) 0.0725 c) 0.2298 d) 0.0544 e) 0.5252 f) none of the above.
Answers: 1
Mathematics, 21.06.2019 18:30
Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?
Answers: 2
Mathematics, 21.06.2019 20:30
Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.
Answers: 1
Mathematics, 21.06.2019 23:30
What is the explicit rule for the sequence in simplified form? −1,−4,−7,−10,−13… an=4−5n an=−4−3n an=2−3n an=−6−5n
Answers: 1
Urn a contains 8 yellow balls and 6 red balls. urn b contains 3 yellow balls and 9 red balls. urn c...
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