The replacement times for DVD players are normally distributed with a mean of 7.1 years and a standard deviation of 1.5 years (d
ata from Consumer Reports). What is the probability that a randomly selected DVD player will be replaced in less than 5 years?
In a city, it is estimated that the maximum temperature in June is normally distributed with a mean of 23º and a standard deviation of 5°. Calculate the probability of having a maximum temperature between 20° and 28°.
1 answer:
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Answer:
-1/6
Step-by-step explanation:
4-6x+5=0
-6x+5=-4
-6x=-4+5
-6x=1
6x=-1
x=-1/6
Answer:
1. (x+3)(x+1)
2. (m+4)(m+8)
3. (r-2)(r-1)
4. (x-5)(x-1)
5. (x-7)(x-3)
6. (x-11)(x-11)
7. (t-6)(t+2)
8. (p-8)(p-8)
9. (x-1)(x-9)
10. (x+5)(x+1)
11. (a+9)(a-1)
12. (y-8)(y+1)
13. (x-3)(x+1)
14. (y+13)(y+1)
15. (m+5)(m+4)
16. (x+10)(x+2)
17. (a-12)(a-2)
18. (y+9)(y+2)
19. xy(x+2+y) i think
20. ab(a-4+4b)
21. xy(x+6-7y)
Ur answer would be 56.6 degrees just subtract 33.5 from 90
F(n)=f(n-1)+3 such that
f(1)=2
A 12-sided die is rolled. The set of equally likely outcomes is {1,2,3,4,5,6,7,8,9,10,11,12}. Find the probability of rolling
solniwko [45]
Need help with this , u think u can help?
