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MaRussiya [10]
3 years ago
13

Can someone help me I'm doing my packet and the quest is hard

Mathematics
1 answer:
CaHeK987 [17]3 years ago
5 0
The answer would be y=-3/4x-3
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An auction company sold 15 handheld computers last month. the final prices​ (in dollars) at which the items sold are as follows.
matrenka [14]
Hi,

a. construct a stem and leaf plot

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20: 5

21: 3 7

22: 9 9 9 9

23: 1 6

24: 5 7 7 8 8

25: 2

 

b. summarize what this plot tells you about the data

Ans

This plot tells that most numbers of computers were sold at prices in the range of $220-229 and $240-249. For other prices, sales were lower.

Hoped I Helped


5 0
4 years ago
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d1i1m1o1n [39]
Y=mx+b
m is the slope rise/run and b is the y intercept plot the y intercept and from that point use the slope to find the next points. does that help any
3 0
3 years ago
The phrase “y less than 7” translates to an equation.<br><br> True or False?
defon

Answer:

False, it translates to an inequality.

8 0
4 years ago
In a binomial distribution, n = 8 and π=0.36. Find the probabilities of the following events. (Round your answers to 4 decimal p
skelet666 [1.2K]

Answer:

\mathbf{P(X=5) =0.0888}    

P(x ≤ 5 ) = 0.9707

P ( x ≥ 6) = 0.0293

Step-by-step explanation:

The probability of a binomial mass distribution can be expressed with the formula:

\mathtt{P(X=x) =(^{n}_{x} )   \  \pi^x \  (1-\pi)^{n-x}}

\mathtt{P(X=x) =(\dfrac{n!}{x!(n-x)!} )   \  \pi^x \  (1-\pi)^{n-x}}

where;

n = 8 and π = 0.36

For x = 5

The probability \mathtt{P(X=5) =(\dfrac{8!}{5!(8-5)!} )   \  0.36^5 \  (1-0.36)^{8-5}}

\mathtt{P(X=5) =(\dfrac{8!}{5!(3)!} )   \  0.36^5 \  (0.64)^{3}}

\mathtt{P(X=5) =(\dfrac{8 \times 7 \times 6 \times 5!}{5!(3)!} )  \times  \ 0.0060466 \  \times 0.262144}

\mathtt{P(X=5) =(\dfrac{8 \times 7 \times 6 }{3 \times 2 \times 1} )  \times  \ 0.0060466 \  \times 0.262144}

\mathtt{P(X=5) =({8 \times 7 } )  \times  \ 0.0060466 \  \times 0.262144}

\mathtt{P(X=5) =0.0887645}

\mathbf{P(X=5) =0.0888}     to 4 decimal places

b. x ≤ 5

The probability of P ( x ≤ 5)\mathtt{P(x \leq 5) = P(x = 0)+ P(x = 1)+ P(x = 2)+ P(x = 3)+ P(x = 4)+ P(x = 5})

{P(x \leq 5) = ( \dfrac{8!}{0!(8!)} \times  (0.36)^0  \times  (1-0.36)^8  \ )  +  \dfrac{8!}{1!(7!)} \times  (0.36)^1  \times  (1-0.36)^7  \ +\dfrac{8!}{2!(6!)} \times  (0.36)^2  \times  (1-0.36)^6  \ +  \dfrac{8!}{3!(5!)} \times  (0.36)^3  \times  (1-0.36)^5 +  \dfrac{8!}{4!(4!)} \times  (0.36)^4  \times  (1-0.36)^4  \  +  \dfrac{8!}{5!(3!)} \times  (0.36)^5  \times  (1-0.36)^3  \ )

P(x ≤ 5 ) = 0.0281+0.1267+0.2494+0.2805+0.1972+0.0888

P(x ≤ 5 ) = 0.9707

c. x ≥ 6

The probability of P ( x ≥ 6) = 1  - P( x  ≤ 5 )

P ( x ≥ 6) = 1  - 0.9707

P ( x ≥ 6) = 0.0293

4 0
3 years ago
What is true about the polynomial -3xy + 5x^2y
NISA [10]

Answer: The answer is a polynomial in two variables with degree 3.

Step-by-step explanation:  We are given to write the properties of the polynomial

p=-3xy+5x^2y.

We can see that the polynomial 'p' contains two unknown variables 'x' and 'y'.

Also, the degree of the polynomial is the degree of the expression 5x^2y.

Therefore, the degree of the polynomial will be 2 + 1 = 3.

Thus,

(i) the polynomial has two unknown variables 'x' and 'y', and

(ii) Its degree is 3.

8 0
3 years ago
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