Mathematics, 23.04.2021 15:50 vardo13
A teacher decides to play a game to collect homework. Each day, when students walk into class, they select a token from a bag that contains red and gold tokens. If the token selected is gold, the student will not have to turn in their homework; however, if the token selected is red, they must turn in their homework. The teacher tells the class that there is a 30% chance of selecting a gold token.
The students pull a token all five school days in one week. Which of the following correctly represents the probability that a student will not have to turn in homework exactly two times?
a. 0.09
b. 0.343
c. (0.33)^3 (0.7)^2
d. 5/2 (0.3)^2(0.7)^3
e. 5/2 (0.3)^3(0.7)^2
Answers: 3
Mathematics, 21.06.2019 17:20
Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x
Answers: 1
Mathematics, 21.06.2019 19:10
1jessica's home town is a mid-sized city experiencing a decline in population. the following graph models the estimated population if the decline continues at the same rate. select the most appropriate unit for the measure of time that the graph represents. a. years b. hours c. days d. weeks
Answers: 2
Mathematics, 21.06.2019 19:10
How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.
Answers: 1
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