Mathematics, 15.09.2021 08:00 wolfsaway
On a statistics test the class mean was 63 and the standard deviation was 7and for the biology test the mean was 23 and has a standard deviation of 3.9 mark scored a 38 on the biology exam what is his Z score round two decimal places
Answers: 1
Mathematics, 21.06.2019 18:00, phillipsk5480
Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)
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
On a statistics test the class mean was 63 and the standard deviation was 7and for the biology test...
Health, 09.11.2020 14:00
French, 09.11.2020 14:00
History, 09.11.2020 14:00
English, 09.11.2020 14:00
English, 09.11.2020 14:00
Social Studies, 09.11.2020 14:00
Mathematics, 09.11.2020 14:00
Chemistry, 09.11.2020 14:00
English, 09.11.2020 14:00