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wel
3 years ago
11

How can you use models to estimate percent questions?

Mathematics
1 answer:
Colt1911 [192]3 years ago
5 0
You can use models to estimate percent questions by estimating the locations of 50%, 75%, 40%, 6%, and 65% on the model.. 

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Cost to store: $75<br> Percent of Markup:<br> Selling price: $112.50
AlekseyPX

Answer:

15%

Step-by-step explanation:

pretty sure thats right

3 0
3 years ago
What is the mode of the following set of numbers? 121, 347, 45, 21, 300, 614, 312, 333, 421 no mode 279.3 312 21
Lorico [155]
There is no mode. Hope this helps
5 0
4 years ago
Read 2 more answers
What is the estimated sum? Round each addend to the nearest thousand before adding. 75,364 + 472,756 . A. 550,000 B. 548,000 C.
exis [7]
Hey!

We can round 75,364 to 75,000 and 472,756 to 473,000


75,000 + 473,000 = 548,000

So, the answer is B. 548,000 =)
5 0
4 years ago
A new security system needs to be evaluated in the airport. The probability of a person being a security hazard is 4%. At the ch
ivolga24 [154]

Answer:

(a) 0.9412

(b) 0.9996 ≈ 1

Step-by-step explanation:

Denote the events a follows:

P = a person passes the security system

H = a person is a security hazard

Given:

P (H) = 0.04,\ P(P^{c}|H^{c})=0.02\ and\ P(P|H)=0.01

Then,

P(H^{c})=1-P(H)=1-0.04=0.96\\P(P|H^{c})=1-P(P|H)=1-0.02=0.98\\

(a)

Compute the probability that a person passes the security system using the total probability rule as follows:

The total probability rule states that: P(A)=P(A|B)P(B)+P(A|B^{c})P(B^{c})

The value of P (P) is:

P(P)=P(P|H)P(H)+P(P|H^{c})P(H^{c})\\=(0.01\times0.04)+(0.98\times0.96)\\=0.9412

Thus, the probability that a person passes the security system is 0.9412.

(b)

Compute the probability that a person who passes through the system is without any security problems as follows:

P(H^{c}|P)=\frac{P(P|H^{c})P(H^{c})}{P(P)} \\=\frac{0.98\times0.96}{0.9412} \\=0.9996\\\approx1

Thus, the probability that a person who passes through the system is without any security problems is approximately 1.

7 0
3 years ago
Whats the value of the 9 in 213.95
lakkis [162]

Answer:

9 tenths is the value

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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