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pochemuha
3 years ago
11

Which of the following options is a better purchase for a microwave? Option 1: A cash sale for $120 Option 2: $5 down with equal

payments of $10 for 15 weeks Option 3: $10 down with equal payments of $5 for 24 months Option 4: $0 down with equal payments of $15 for 9 months A. Option 4 B. Option 3 C. Option 2 D. Option 1
Mathematics
2 answers:
agasfer [191]3 years ago
7 0

Answer:

D. Option 1

Step-by-step explanation:

Let's evaluate each option separately:

Option 1 will cost $120.

Option 2:

Total cost  = Down payment + Weekly payment

                  =5+10\times15

                  =155

Therefore, option 2 will cost $155 which is worse compared to option 1.

Option 3:

Total cost  = Down payment + Monthly payment

                  =10+5\times24

                  =130

Therefore, option 3 will cost $130 which is worse compared to option 1.

Option 4:

Total cost  = Down payment + Monthly payment

                  =0+15\times9

                  =135

Therefore, option 4 will cost $135 which is worse compared to option 1.

So the best option is option 1.

So answer is D. Option 1

r-ruslan [8.4K]3 years ago
5 0
The first option is a better choice heres why...
option 1) is $120
option 2) is $155
option 3 is $130
option 4) is 135
SO all and all the first payment method is the cheapest option.
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a bag contains 5 red 3 green 4 blue and 8 yellow marbles find the probability of randomly selecting a green marble and then a ye
alexira [117]
The probability of picking a green marble the first time is 3/20 and the probability of picking a yellow marble the second time is 8/20.   
probabilities are heavily related to percents so it would make sense that the probability of picking a color would be the number of that color divided by the total number.

note that it is really important that the problem said that the marble was replaced.  If the marble was not replaced, the probability of picking a yellow marble the second time would be 8/19 if the first marble picked was not a yellow one.

I hope this helps.
5 0
3 years ago
According to a certain news poll, 71% agreed that it should be the government's responsibility to provide a decent standard of l
finlep [7]

Answer:

0.3157

Step-by-step explanation:

Given that according to a certain news poll, 71% agreed that it should be the government's responsibility to provide a decent standard of living for the elderly,

Let A be the event that it should be the government's responsibility to provide a decent standard of living for the elderly, and B the event that it would be a good idea to invest part of their Social Security taxes on their own

P(B) = 41%=0.41

A and B are independent

Hence P(both)=0.77(0.41) = 0.3157\\

the probability that a person agreed with both propositions

= Probability for both A and B

= P(A) P(B) since A and B are independent

= 0.3157

3 0
3 years ago
7. A clothing trunk is 30 inches tall, 48 inches wide,
Vinvika [58]

Answer:

34,560 in^3

Step-by-step explanation:

A clothing trunk is 30 inches tall, 48 inches wide, 24 inches deep

The amount is cubic feet the trunk will hold can be calculated as follows

= 30×48×25

= 34,560 in^3

4 0
2 years ago
Part 1: About how tall is the actual Willis Tower? About how tall is the actual Great Pyramid? Be prepared to explain your reaso
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3 0
1 year ago
The term "freshman 15" refers to the claim that college students typically gain 15lbs during freshman year at college. Assume th
Viefleur [7K]

The probability that a randomly selected male college student gains 15 lb or more during their freshman year is 11.6%

<h3>What is Probability ?</h3>

Probability is defined as the likeliness of an event to happen.

Let X be a random variable that shows the term "freshman 15" that claims that students typically gain 15lb during their freshman year at college.

It is given that

X follows is a normal distribution with a mean of 2.1 lb (μ) and a standard deviation (σ)  of 10.8 lb.

Population Mean (μ) = 2.1

Population Standard Deviation (σ) = 10.8

We need to compute Pr(X≥15). The corresponding z-value needed to be computed is:

\rm Z_{lower} = \dfrac{ X_1 -\mu }{\sigma}\\\\Z_{lower} = \dfrac{ 15-2.1 }{10.8}\\\\\\Z_{lower} = 1.19

Then the probability is given as

\rm Pr(X \geq 16 ) = Pr (\dfrac{X -21}{10.8} \geq \dfrac{15-21}{10.8})\\\\= Pr (Z \geq \dfrac{15-2.1}{10.8}\\\\= Pr (Z\geq 1.19)\\\\ = 0.1162

Pr(X≥15)=0.1162. (11.6%)

The probability that a randomly selected male college student gains 15 lb or more during their freshman year is 11.6%

To know more about Probability

brainly.com/question/11234923

#SPJ1

3 0
2 years ago
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