Mathematics, 04.08.2019 22:30 nadiareese
You fire 3 guns at a target. the first has a 20% probability of hitting, the second a 15% probability of hitting and the 3rd an 10% chance of hitting. what is sample space for the number of hits? what is the expected number of hits? what is the variance?
Answers: 1
Mathematics, 21.06.2019 15:20
Compare the subtraction problems 6/8 - 5/8 = 1/8 and 6/9 - 7/9 = 1/9 why is the answer to the first problem positive and the answer to the second problem negative
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Mathematics, 21.06.2019 20:30
Acircle has a circumference of 7.850 units. what is its radius?
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Mathematics, 21.06.2019 22:00
Given that sinβ
= 1/4, 0 < β
< Ο/2, what is the exact value of cosβ
? a. (β4)/4 b. (β15)/4 c. (4Ο)/2 d. (4β2)/4
Answers: 2
Mathematics, 21.06.2019 22:00
What is the length of the segment, endpoints of which are intersections of parabolas y=x^2β 11/4 xβ 7/4 and y=β 7 /8 x^2+x+ 31/8 ?
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You fire 3 guns at a target. the first has a 20% probability of hitting, the second a 15% probabilit...
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