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ziro4ka [17]
3 years ago
11

X is a normally distributed random variable with mean equal to 1.234 and variance equal to .336. what is the probability that x

equals 1.000?
Mathematics
1 answer:
cricket20 [7]3 years ago
8 0
38 because the x is normal
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A pet store sells mice reptiles and birds
Vera_Pavlovna [14]

Answer:

P(A or B) represents the probability that a customer will buy either a mouse or a reptile at the pet store.  So, there is a 20%, or 1 out 5 chance that a customer will buy either one when they come in to purchase a pet.

Step-by-step explanation:

Probability represents the fraction of the desired number of outcomes over the total number of outcomes.  In the case of the pet store, their total outcomes can be the purchase of a mouse, reptile or bird.  We don't know how much of each animal they have, however, they tell us that the probability that a customer will buy either a mouse OR a reptile is 0.20.  This means that the probability of buying a mouse and the probability of buying a reptile are added together to equal 0.20 or 20% which is also 1/5.  

7 0
3 years ago
Read 2 more answers
Please answer both question fully.
BARSIC [14]

Step-by-step explanation:

<h3>Part A</h3>

<u>Angle measures:</u>

  • a = x = z = 51° (as vertical angles and corresponding angles)
  • b = d = y = w = 180° - 51° = 129° (as supplementary angles and corresponding angles)
<h3>Part B</h3>

Supplementary angles for a linear pair and sum to 180°.

<u>Examples are:</u>

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7 0
2 years ago
Read 2 more answers
If f(×)=1/3×^2+5find f(-9)
Snezhnost [94]

Answer:

I think this is the answer

f( - 9) =  \frac{1}{3( - 9) {}^{2} }  + 5 \\  =  \frac{1216}{243}  \\  = 5.0041

5 0
3 years ago
Select ALL the correct answers.
aksik [14]

Answer: I think it’s A the cylinder

Step-by-step explanation:

8 0
3 years ago
Susannah bought eggs for $0.79 per carton. She spent a total of $6.32. How many cartons did she buy?
Rzqust [24]
6.32 divided by 0.78= 8 cartons
5 0
3 years ago
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