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galben [10]
3 years ago
7

13. Diego wants to purchase a used car that sells for $6,399. The dealer has offered him $299 on his trade-in car. The total cos

t of the car Diego wants to buy will be
Mathematics
1 answer:
laila [671]3 years ago
8 0

Answer:

$6100

Step-by-step explanation:

6,399 - 299 = $6100

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By the third day of a particular week, 2 accidents have already occurred in the intersection. What is the probability that there
Leona [35]

Answer:

The right answer is "0.70".

Step-by-step explanation:

The given query seems to be incomplete. Please find below the attachment of the full query.

By using the Bayes' theorem, we get

⇒  P[(X

By putting the values, we get

                                     =\frac{[P(2)+P(3)]}{[1-P(0)-P(1)]}

                                     =\frac{(0.20+0.15)}{1-0.20-0.30}

                                     =\frac{0.35}{0.5}

                                     =0.70

6 0
3 years ago
A An airplane descends 75 feet each minute after reaching an altitude of 24,580 feet. what is the airplane's altitude after 45 m
QveST [7]
You have to multiply 75 x 45 which is 3,375. Then, you subtract 24,580 - 3,375 which is 21,205. Hope this helped. :)
4 0
3 years ago
Read 2 more answers
Consider the following hypothesis test:H0: 20Ha: < 20A sample of 60 provided a sample mean of 19.6. The population standard d
elixir [45]

Answer:

a: z = -1.936

b: 0.0265

d: z < -1.645

Reject H0 if z < -1.645

Step-by-step explanation:

We are given:

H0:  µ = 20

HA:  µ < 20

n = 60, sample mean: 19.6, σ = 1.6

Since the alternate hypothesis has a < sign in it, it is a left tailed test.  The < or > sign in the alternate hypothesis points towards the rejection region.

For a:  We need to calculate the test statistic for our situation.  This is done with a z-score formula for samples.  

For b:  we need to use the z-score table to look up the p-value for the score we calculate in part a.  The p-value is 0.0265.  This means that there is only about a 2.65% chance that the sample values were a result of random chance.

For d:  Since the significance level is 0.05, and this is a one tailed test, we have a critical value of z < - 1.645.  This means that if the z-score we calculate in part a is less than -1.645, we will reject the null hypothesis

See attached photo for all the calculations!

4 0
3 years ago
Which property is represented in 1+ 0=1
slega [8]

Answer:

The additive property of 0; any number added with 0 is going to be that number.

Step-by-step explanation:

7 0
3 years ago
Factorise the following expressions.<br> a) 6x + 5x + 1<br> b) 6x2 13x + 6
fredd [130]

Answer:

a) 1 1 + 1

b)1 3 + 1 8

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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