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ycow [4]
3 years ago
12

WILL MARK AS BRAINLIEST AND 15 POINTS ANSWER PLEASE A company that makes golf balls needs to ship bags of balls that contain 690

balls, plus or minus 6 balls. Which of the following expresses the acceptable number of balls in each bag?
A) 684 ≤ x ≤ 696
B) 684 < x < 696
C) 690 ≤ x ≤ 702
D) 690 < x < 702
Mathematics
2 answers:
riadik2000 [5.3K]3 years ago
8 0
If the company's limit of error is at 6, then the number of balls can be anywhere from 690 + 6 and 690 - 6, or 696 and 684. Since the lowest point possible is 684 whilst the highest is 696, x must be lower than or equal to 696 and greater than or equal to 684.
The answer is A, 684 ≤ x ≤ 696
Karo-lina-s [1.5K]3 years ago
7 0
Your answer would be A Because Plus or minus 6 If you subtract 6 from 690 you get 684 and if you add 6 you get 696. Plus the number of golf balls has to equal 684 or higher and 696 or lower.
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Dada una distribución t de Student con 15 grados de libertad, calcule el valor de t1 tal que a) el área a la derecha de t1 sea 0
nikitadnepr [17]

Answer:

a)  t₁ = 2,947

b)  t₁ = 2,131

c)  t₁ = 1,753

d) t₁ = 2,947   -t₁ = -2,947  

e) t₁ = 2,131    -t₁  = -2, 131

Step-by-step explanation:

a) t₁ para el área a la derecha de 0,01  

En la tabla t- student  el t correspondiente a 0,01  es:

t₁ = 2,947

b) t₁ para el área a la izquierda sea de 0,95. Es igual al t para el cual el área de la drecha es  0,05

t₁ = 2,131

c) t₁ para que el área de la derecha sea 0,10

t₁ = 1,753

d) Buscar t₁ para el cual las áreas de derecha de (t₁) más la de la izquierda  de (- t₁ ) sea  0,01.

Si el área es de 0,01 quere decir que la mitad, es decir 0,005 es el área para una cola, luego

t₁ = 2,947  y -t₁ = -2,947

e) Para que el área entre - t₁ y t₁ sea 0,95

t₁ = 2,131  y  -t₁  = -2, 131

6 0
3 years ago
In the envelope game, there are two players and two envelopes. One of the envelopes is marked ''player 1 " and the other is mark
svetoff [14.1K]

Answer:

Step-by-step explanation:

a) The game tree for k = 5 has been drawn in the uploaded picture below where C stands for continuing and S stands for stopping:

b) Say we were to use backward induction we can clearly observe that stopping is optimal decision for each player in every round. Starting from last round, if player 1 stops he gets $3 otherwise zero if continues. Hence strategy S is optimal there.

Given this, player 2’s payoff to C is $3, while stopping yields $4, so second player will also chooses to stop. To which, player 1’s payoff in k = 3 from C is $1 and her payoff from S is $2, so she stops.

Given that, player 2 would stop in k = 2, which means that player 1 would stop also in k = 1.

The sub game perfect equilibrium is therefore the profile of strategies where both players always stop: (S, S, S) for player 1, and (S, S) for player 2.

c) Irrespective of whether both players would be better off if they could play the game for several rounds, neither can credibly commit to not stopping when given a chance, and so they both end up with small payoffs.

i hope this helps, cheers

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Answer:

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