4 years ago

Questão 1

Mathematics

1 answer:

Evgesh-ka [11]4 years ago

4 0

cara de culo

,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

You might be interested in

Round to the nearest Ten-thousand: 849,708

jarptica [38.1K]

Answer:

850,000

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Approximate, in feet, the circumference of a circle with radius = 6 ft. (Round your answer to one decimal place.)

Viktor [21]

Answer:

37.7

Step-by-step explanation:

Circumference of circle =2pir

I took pi=3.14

C=2xpix6=37.7square ft

8 0

3 years ago

What pair of numbers has the geometric mean of 44

PSYCHO15rus [73]

Basically any two numbers whose product is 44^2 = 1936.
so 16×121 = 1936
so the pair is 16 and 121

6 0

3 years ago

FIND THE VALUE OF LOG 16 BASE 1/2

Molodets [167]

The result can be shown in both exact and decimal forms.Exact Form:−14-14Decimal Form:−0.25

3 0

3 years ago

Suppose an automotive repair company wants to determine the current percentage of customers who keep up with regular vehicle mai

Nina [5.8K]

Answer: 1692

Step-by-step explanation:

Formula to find the sample size :

$n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2$

Given : Confidence level : $(1-\alpha)=0.90$

⇒ significance level = $\alpha= 0.10$

z-value for 90% confidence interval (using z-table)= $z_{\alpha/2}=1.645$

Prior estimate of the population proportion (p) of customers who keep up with regular vehicle maintenance is unknown.

Let we take p= 0.5

Margin of error : E= 2%=0.02

Now, the required sample size will be :

$n=0.5(1-0.5)(\dfrac{1.645}{0.02})^2$

Simplify , we get

$n=(0.25)(6765.0625)=1691.265625\approx1692$

Hence, the required sample size = 1692

8 0

4 years ago

Read 2 more answers