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4 years ago

5

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1 answer:

Ivanshal [37]4 years ago

6 0

D e c a is all the answer

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A population of 1,750 cheetahs decreases by 11% per year. How many cheetahs will there be in the population after 10 years? Roun

Naddik [55]

$\bf \qquad \textit{Amount for Exponential Decay}
\\\\
A=P(1 - r)^t\qquad 
\begin{cases}
A=\textit{accumulated amount}\\
P=\textit{initial amount}\to &1750\\
r=rate\to 11\%\to \frac{11}{100}\to &0.11\\
t=\textit{elapsed time}\to &10\\
\end{cases}
\\\\\\
A=1750(1-0.11)^{10}\implies A=1750(0.89)^{10}\implies A\approx 545.68009877$

6 0

4 years ago

James Desreumaux, VP of Human Resources of American First Banks (AFB), is reviewing the employee training programs of AFB banks.

BartSMP [9]

Answer: (24.02,25.98)

Step-by-step explanation:

Answer:

Step-by-step explanation:

Given : Sample size : n= 100

Sample mean : $\overline{x}=25\text{ hours}$

Standard deviation : $\sigma=5\text{ hours}$

Significance level : $\alpha: 1-0.95=0.05$

Critical value : $z_{\alpha/2}=1.96$

The confidence interval for population mean is given by :-

$\overline{x}\pm\ z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}\\\\=25\pm(1.96)\dfrac{5}{\sqrt{100}}\\\\=25\pm0.98\\\\=(25-0.98,\ 25+0.98)=(24.02,25.98)$

Hence, the 95% confidence interval for the population mean of training times is (24.02, 25.98).

5 0

4 years ago

Help please and thanks

denis23 [38]

Answer:

Step-by-step explanation:

Hope this helped.

A brainliest is always appreciated.

8 0

2 years ago

Louise measured the perimeter of her rectangular scrapbook to be 148 cm. If the scrapbook is 38 cm wide, how long is the scrapbo

arsen [322]

Answer:

36cm

Step-by-step explanation:

38 × 2 = 76

148 - 86 = 72

72/2 = 36

8 0

3 years ago

Read 2 more answers

Rozonda defines the diameter of a circle as a line segment passing through the center of the circle. Is Rozonda’s definition val

larisa [96]

Answer: Yes Rozonda's definition is valid

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers