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andreyandreev [35.5K]
3 years ago
5

Find the product of 3 1 11 and 5 1 2 .

Mathematics
2 answers:
prohojiy [21]3 years ago
7 0

Answer:

16896

Step-by-step explanation:

3×1×11×512

=16896

kirill115 [55]3 years ago
6 0

Step-by-step explanation:

3×1×11×5×1×2=330

<h2>please mark my answer as BRAINLIEST if you liked it..</h2>
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A local car dealer claims that 25% of all cars in San Francisco are blue. You take a random sample of 600 cars in San Francisco
sammy [17]

Answer:

No, we can't reject the dealer's claim with a significance level of 0.05.

Step-by-step explanation:

We are given that a local car dealer claims that 25% of all cars in San Francisco are blue.

You take a random sample of 600 cars in San Francisco and find that 141 are blue.

<u><em>Let p = proportion of all cars in San Francisco who are blue</em></u>

SO, Null Hypothesis, H_0 : p = 25%   {means that 25% of all cars in San Francisco are blue}

Alternate Hypothesis, H_A : p \neq 25%   {means that % of all cars in San Francisco who are blue is different from 25%}

The test statistics that will be used here is <u>One-sample z proportion</u> <u>statistics</u>;

                                  T.S.  = \frac{\hat p-p}{{\sqrt{\frac{\hat p(1-\hat p)}{n} } } } }  ~ N(0,1)

where, \hat p = sample proportion of 600 cars in San Francisco who are blue =   \frac{141}{600} = 0.235

            n = sample of cars = 600

So, <u><em>test statistics</em></u>  =  \frac{0.235-0.25}{{\sqrt{\frac{0.235(1-0.235)}{600} } } } }

                               =  -0.866

<em>Now at 0.05 significance level, the z table gives critical values of -1.96 and 1.96 for two-tailed test. Since our test statistics lies within the range of critical values of z so we have insufficient evidence to reject our null hypothesis as it will not fall in the rejection region due to which we fail to reject our null hypothesis.</em>

Therefore, we conclude that 25% of all cars in San Francisco are blue which means the dealer's claim was correct.

4 0
3 years ago
Which inequality is represented by this graph? A number line going from 1 to 9. A closed circle is at 4. Everything to the right
Fofino [41]

Answer:

x ≥ 4

Step-by-step explanation:

Since there is a closed circle at x = 4, this indicates that x can be equal to 4

The line to the right is shaded indicating values of x greater than 4

Thus x ≥ 4 ← is the inequality represented in the number line

4 0
2 years ago
Read 2 more answers
Find an equation of the line that (a) has the same y-intercept as the line and (b) is parallel to the line .
Zolol [24]
You didn't describe the line. / / / / If the equation of the line is [ y = m x + b ] then [ y=(any number) x+b] has the same y-intercept, and [y=mx+any number] is parallel to it.
8 0
2 years ago
Steven earned $40.00 for a week's work If he paid 10% of it in taxes how much did he pay in taxes?​
tino4ka555 [31]

Answer:

$4

Step-by-step explanation:

40/100=0.4

(10)0.4=4

3 0
2 years ago
jake scored 2 goals in soccer this season.jaime scored 4 times as many goals as jacke edgar scored 3 times as many goals as jaim
elena55 [62]
Edgar scored 24 goals
Because 2x4=8 3x8=24
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3 years ago
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