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4 years ago

9

A bird is 4 meters from the ground. The bird is 74 cm higher from the ground than a squirrel that is sitting in a tree. How far

from the ground is the squirrel? centimeters

1 answer:

tino4ka555 [31]4 years ago

5 0

400cm - 74 cm is 326cm or 3.26 metres

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EB and EC = 15 cm . What is the area of abcde? _sq cm

Aliun [14]

75 sq cm that should be right

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3 years ago

My divisor is 4/7 and my quotient is 7/24. what is the dividend

kompoz [17]

Answer:

1/6.

Step-by-step explanation:

x / 4/7 = 7/24 where x is the dividend.

7x/4 = 7/24

Cross multiply:

7x * 24 = 4*7

x = 28/(7*24)

= 28/168

= 1/6.

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3 years ago

Assume that we want to construct a confidence interval. Do one of the following, as appropriate: (a) find the critical value t

Feliz [49]

Considering that we have the standard deviation for the sample, the t-distribution will be used, and the critical value is t = 2.6682.

<h3>When should the t-distribution and the z-distribution be used?</h3>

If we have the standard deviation for the sample, the t-distribution should be used.

If we have the standard deviation for the population, the z-distribution should be used.

In this problem, σ is not known, hence we get the standard deviation of the sample from the histogram and the t-distribution is used.

Using a t-distribution calculator, considering a <em>confidence level of 99%</em> and 56 - 1 = <em>55 df</em>, the critical value is t = 2.6682.

More can be learned about the t-distribution at brainly.com/question/16162795

4 0

2 years ago

In each figure, a|| b . Determine whether the third figure is a translation image of the first figure. Write yes or no. Explain

stellarik [79]

Answer should be:

b. No; it is a reflection followed by a translation.

Hope it helps.

4 0

4 years ago

Read 2 more answers

The percent frequency distributions of job satisfaction scores for a sample of information systems (IS) senior executives and mi

tiny-mole [99]

Corrected Question

a. Develop a probability distribution for the job satisfaction score of a senior executive.

b. Develop a probability distribution for the job satisfaction score of a middle manager.

c. What is the probability a senior executive will report a job satisfaction score of 4 or 5?

d. What is the probability a middle manager is very satisfied?

Answer:

(c)0.83

(d)0.28

Step-by-step explanation:

The percent frequency distributions of job satisfaction scores os give below:

$\left|\begin{array}{c|c|c}$Job Satisfaction Score&$IS Senior Executives(\%)&$IS Middle Managers(\%)\\1&5&4\\2&9&10\\3&3&12\\4&42&46\\5&41&28\end{array}\right|$

(a)Probability distribution for the job satisfaction score of a senior executive.

$\left|\begin{array}{c|c}$Job Satisfaction Score&$Relative Frequency (f_1(x))\\------&------\\1&0.05\\2&0.09\\3&0.03\\4&0.42\\5&0.41\end{array}\right|$

(b)Probability distribution for the job satisfaction score of a middle manager.

$\left|\begin{array}{c|c}$Job Satisfaction Score&$Relative Frequency (f_2(x))\\1&0.04\\2&0.10\\3&0.12\\4&0.46\\5&0.28\end{array}\right|$

(c)Probability a senior executive will report a job satisfaction score of 4 or 5

P(a senior executive will report a job satisfaction score of 4 or 5)

$=f_1(4)+f_1(5)\\=0.42+0.41\\=0.83$

(d)Probability a middle manager is very satisfied

The probability a middle manager is very satisfied

$=f_2(5)\\=0.28$

7 0

3 years ago