Mathematics, 20.06.2020 21:57, isabel81ie
A teacher asks her 20 students to each write a book report, but 4 students do not complete the assignment. The teacher randomly chooses 5 students to present their report. What is the approximate probability the teacher has selected only students that completed the assignment? 28% 31% 38% 42%
Answers: 3
Mathematics, 21.06.2019 20:30, attp203
Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.
Answers: 3
Mathematics, 22.06.2019 02:00, shandrablue9348
Hannah reads at a constant rate of 33 pages every 88 minutes. write an equation that shows the relationship between pp, the number of pages she reads, and mm, the number of minutes she spends reading.
Answers: 1
A teacher asks her 20 students to each write a book report, but 4 students do not complete the assig...
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