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3 years ago

HEEELP ASAP I WILL AWARD BRAINKIEST AND THANKS

Mathematics

2 answers:

KATRIN_1 [288]3 years ago

4 0

Answer:

The 4th option is the correct answer

Step-by-step explanation:

Hope this helps:)

Alona [7]3 years ago

4 0

Answer: A

Step-by-step explanation: We can consider the domain to be the number of gallons filled in minivan and the range to be the cost. If this is true, then domain is greater than or equal to 0 and less than or equal to 25, and range is greater than or equal to 0 but less than or equal to 25 times 3.53 = 88.25. Only A is true in this scenario.

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What is the probability that both of Eduardo's partners for the group project will be girls? StartFraction 9 Over 65 EndFraction

tester [92]

Answer:

StartFraction 24 Over 65 EndFraction

Step-by-step explanation:

Total number of students = 26

Number of boys = 10

Number of girls = 26-10

=16

Eduardo has to pull two names out of the hat without replacing them.

First name

Probability= Favourable outcome/Total outcome

Probability of girls=16

Total probability=26

Eduardo has to pull two names out of the hat without replacing them.

Probability= Favourable outcome/Total outcome

=16/26

=8/13

For the second name:

Without replacement of the first hat

Probability of girls=16-1=15

Total probability=26-1=25

Probability= Favourable outcome/Total outcome

=15/25

=3/5

Probability of both of Eduardo's partner for the group project will be girls=8/13*3/5

=24/65

StartFraction 24 Over 65 EndFraction

4 0

3 years ago

What is the sample space for the event of spinning two spinners of 3 equal sections, numbered 1, 2, 3?

Setler79 [48]

Answer:

111111 aka i dont know

Step-by-step explanation:

6 0

3 years ago

You have a balance of $4,000 on your credit card with a 12% interest rate (1% per month). You plan to make no new purchases with

Alex787 [66]

Should be around $335-$340 per month

4 0

3 years ago

4.5 times q divided by 9

Gennadij [26K]

Answer:

All I can really do is state it differently <> 4.5q /9

5 0

3 years ago

The proportion of U.S. births that result in a birth defect is approximately 1/33 according to the Centers for Disease Control a

Dafna11 [192]

Answer:

Probability that at least 490 do not result in birth defects = 0.1076

Step-by-step explanation:

Given - The proportion of U.S. births that result in a birth defect is approximately 1/33 according to the Centers for Disease Control and Prevention (CDC). A local hospital randomly selects five births and lets the random variable X count the number not resulting in a defect. Assume the births are independent.

To find - If 500 births were observed rather than only 5, what is the approximate probability that at least 490 do not result in birth defects

Proof -

Given that,

P(birth that result in a birth defect) = 1/33

P(birth that not result in a birth defect) = 1 - 1/33 = 32/33

Now,

Given that, n = 500

X = Number of birth that does not result in birth defects

Now,

P(X ≥ 490) = $\sum\limits^{500}_{x=490} {^{500} C_{x} } (\frac{32}{33} )^{x} (\frac{1}{33} )^{500-x}$

= ${^{500} C_{490} } (\frac{32}{33} )^{490} (\frac{1}{33} )^{500-490}$ + .......+ ${^{500} C_{500} } (\frac{32}{33} )^{500} (\frac{1}{33} )^{500-500}$

= 0.04541 + ......+0.0000002079

= 0.1076

⇒Probability that at least 490 do not result in birth defects = 0.1076

4 0

3 years ago