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siniylev [52]
2 years ago
6

A collection of field goal kickers are divided into groups 1 and 2. Group i has 3i kickers. On any kick, a kicker from group i w

ill kick a field goal with probability 1/(i 1), independent of the outcome of any other kicks. (a) A kicker is selected at random from among all the kickers and attempts one field goal. Let K be the event that a field goal is kicked. Find P[K]. (b) Two kickers are selected at random; Kj is the event that kicker j kicks a field goal. Are K1 and K2 independent

Mathematics
1 answer:
Brut [27]2 years ago
7 0

Answer:

a. 7/18

b. K1 and k2 are not independent

Step-by-step explanation:

See attachment please

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Question and answer choices are in the screenshot. THANK YOU!!
Anika [276]
I 11 x - 22 I > 22
∴ 11x-22 > 22          OR          (11x -22) < -22
∴ 11 x > 44             ::::::::          11x - 22 < -22
    x > 4                   ::::::::              x < 0

∴ x ∈ ( -∞ , 0 ) ∪ ( 4 , ∞)
∴ The correct choice is number 1
The solution is attached in the figure

5 0
2 years ago
Chang and Carlotta solve this problem in two different ways. You have $50 in your bank account. You make $8 per hour mowing lawn
Tamiku [17]
HELLO,

Your answer is 130-50=80
You would have to make 80 dollars,

So 8 dollars per hour (of course that is below minimum wage that means you need a raise).

Therefore, you need to mow lawns for 10 hours

Thanks for posting your question here on brainly.
Hope this helps you.
Let me know if its correct.
3 0
2 years ago
Read 2 more answers
What is the value of 3 in 630
marysya [2.9K]
We can write 630 in expanded form as:
630 = 600 + 30 + 0
and in words:
630 = 6 hundreds, 3 tens and zero ones
the value 6 is 600
and the place value of 3 is 30 and the face value is 3 in the number 630.
4 0
2 years ago
Shanelle already has $137 from babysitting. She needs at least $625 for a new tablet. Which inequality best represents this scen
kap26 [50]

Answer:

t + 137 ≥ 625

Step-by-step explanation:

Shanelle already have in her possession the sum of $137 from babysitting.  She requires at least $625 for a new tablet. t is the remaining amount she needs to get the new tablet.

She already has $137 and to get the tablet she needs at least $625 . This means she needs nothing less than or equal to $625 to get the tablet.  Recall t is the remaining amount needed to add to what she has to be able to reach the least amount required to purchase a tablet. Therefore , the sum of t and the amount of money already in her possession should be equal to or greater than $625.

To get the new tablet,

t + 137 ≥ 625

5 0
2 years ago
Max's cell phone plan charges a monthly
ludmilkaskok [199]

Answer:

21

Step-by-step explanation:

7.41 / 0.13 = 57

57 - 15 = 42

42 / 2 = 21

21, 36

6 0
2 years ago
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