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3 years ago

State if the question is BIASED or UNBIASED. Do you pay for your own car insurance?

Mathematics

1 answer:

Sergio [31]3 years ago

6 0

Unbiased because it’s either true or false not an opinion

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If the fifth term in a geometric sequence is 1∕27 and the common ratio is 1∕3, find the explicit formula of the sequence.

ch4aika [34]

Answer:

Step-by-step explanation:

8 0

3 years ago

I will give Brainiest if you are right

STALIN [3.7K]

Answer:

D. $69,160

Step-by-step explanation:

40,820(10) - 33,904(10) = 408,200 - 339,040 = 69,160

4 0

3 years ago

The five-number summary for the number of teams in each of Brad's fantasy football leagues is shown in the following table.

Westkost [7]

Answer:

The correct option is (C) 10.

Step-by-step explanation:

The five-number summary for the number of teams in each of Brad's fantasy football leagues is as follows:

Minimum: 4

Q₁: 7

Median: 10

Q₃: 14

Maximum: 18

The minimum value is the smallest value in the data set.

The first quartile (Q₁) is the value that is less than 75% of the observations.

The median is the middle most value of the data set. It is the value that is less than 50% of the observations.

The third quartile (Q₃) is the value that is less than 25% of the observations.

And the maximum value is the largest value in the data set.

So, the five-number summary suggests that about 50% of Brad's fantasy football leagues have fewer than 10 teams.

Thus, the correct option is (C).

4 0

3 years ago

Number 10Please just show the math and not the sentence explanations, I just want to use this problem as an example :)

Morgarella [4.7K]

Explanation

We are given the following right-angled triangle:

We are required to determine the indicated angle in the given figure.

This is achieved thus:

According to the image, we have:

$\begin{gathered} Opposite=9 \\ Adjacent=21 \end{gathered}$

Therefore, we have:

$\begin{gathered} \tan\theta=\frac{opposite}{adjacent} \\ \tan\theta=\frac{9}{21} \\ \theta=\tan^{-1}(\frac{9}{21}) \\ \theta\approx23\degree \end{gathered}$

Hence, the answer is:

$23\degree$

4 0

1 year ago

The mean work week for engineers in a start-up company is believed to be about 60 hours. A newly hired engineer hopes that it's

Sergeu [11.5K]

Answer:

There is evidence to prove that mean is less than 60 hours.

Step-by-step explanation:

Given that the mean work week for engineers in a start-up company is believed to be about 60 hours.

Sample size taken = 10

$H_0: \bar x=60\\H_a: \bar x$

(left tailed test )

Data (length of mean work week): 70; 45; 55; 60; 65; 55; 55; 60; 50; 55.

$\bar x = 57\\s=6.7823\\se = 0.1448$

Mean difference = -3

Test statistic t =mean differene/std error

= -20.72

p value <0.00001

Since p < 0.05 at 5% level we reject H0

There is evidence to prove that mean is less than 60 hours.

4 0

3 years ago