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Fittoniya [83]
3 years ago
10

the experimental probability that an SUV will pass by andis store is 0.4. If 500 cars pass by andis store, how many can she expe

ct to be SUVs?
Mathematics
1 answer:
Mila [183]3 years ago
3 0

Answer:

50

Step-by-step explanation:

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Domain and Range for the graph
Lena [83]

Answer:

its gos up

Step-by-step explanation:

think it's not hard

3 0
3 years ago
Suppose the mean SAT verbal score is 525 with a standard deviation of 100, while the mean SAT math score is 575 with a standard
Ipatiy [6.2K]

Answer:

The mean of the combined math and verbal scores is 1100, while the standard deviation is 141.

Step-by-step explanation:

Normal variables

Normal variables have mean \mu and standard deviation \sigma

When we add normal variables, the combined mean is the sum of both means, and the standard deviation is the square root of the sum of both variances. The distribution is still normal.

In this question:

Verbal: \mu_{V} = 525, \sigma_{V} = 100.

Math: \mu_{M} = 575, \sigma_{M} = 100

Combined:

\mu = \mu_{V} + \mu_{M} = 525 + 575 = 1100

\sigma = \sqrt{\sigma_{V}^{2}+\sigma_{M}^{2}} = \sqrt{100^2 + 100^2} = 141

The mean of the combined math and verbal scores is 1100, while the standard deviation is 141.

6 0
3 years ago
12y-3x=-72 standard time slope intercept simplified
Zina [86]

Answer: exact form: y= -23/4

Step-by-step explanation: move all the terms that doesn’t contain “y” to the right side and solve.

3 0
3 years ago
Which function could the graph represent?
SCORPION-xisa [38]

Answer:B

Step-by-step explanation:

The curve cuts the x-axis at points x=3/2 and x=3

F(x)= ((x-3/2)(x-3)

=x2-3x-3x/2+9/2

2x2-6x-3x+9

=2x2-9x+9

4 0
3 years ago
You change oil every 6000 miles and drive 2000 miles a month; how many times a year do you change oil?
dlinn [17]

Answer:

you would change it 4 times a year

Step-by-step explanation:

if there is 12 months in a year and 3 mounths equal 6000 then divide 12/3=4

8 0
3 years ago
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