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3 years ago

ASAP ! can anyone help

Mathematics

1 answer:

Naily [24]3 years ago

5 0

Answer:

ADD EVERYTHING AMD THEN SUBTRACT THE NUBER OF BOYS WHO LIKE VINNLA ICE CREAM

Step-by-step explanation:

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A random sample of 85 group leaders, supervisors, and similar personnel revealed that a person spent an average 6.5 years on the

strojnjashka [21]

Answer:

95% of confidence interval for the Population

( 6.1386 , 6.8614)

Step-by-step explanation:

Step( i ):-

Given random sample size 'n' =85

Mean of the sample size x⁻ = 6.5 years

Standard deviation of Population = 1.7 years

Level of significance = 0.95 or 0.05

Step(ii):-

95% of confidence interval for the Population is determined by

$(x^{-} - Z_{0.05} \frac{S.D}{\sqrt{n} } , x^{-} + Z_{0.05} \frac{S.D}{\sqrt{n} })$

$(6.5 - 1.96\frac{1.7}{\sqrt{85} } , 6.5 + 1.96 \frac{1.7}{\sqrt{85} })$

( 6.5 - 0.3614 , 6.5 + 0.3614 )

( 6.1386 , 6.8614)

Conclusion:-

95% of confidence interval for the Population

( 6.1386 , 6.8614)

8 0

4 years ago

Li mixes 3 liters of red paint with 8 liters of white paint to get pink. How many units of red paint should she mix with 24 lite

professor190 [17]

Would it be 9 because 8 times 3 equals 24 and 3 times 3 equals 9

6 0

3 years ago

The radius of a circle is 8 feet. What is the circle's area? Use 3.14 for .

Fofino [41]

Answer:

200.96

Step-by-step explanation:

3.14*8*8=200.96

5 0

3 years ago

Calculate the average rate of change for the given function, from x = 2 to x = 7.

Marina86 [1]

$\bf slope = m = \cfrac{rise}{run} \implies 
\cfrac{ f(x_2) - f(x_1)}{ x_2 - x_1}\impliedby 
\begin{array}{llll}
average~rate\\
of~change
\end{array}\\\\
-------------------------------\\\\

\begin{array}{ccll}
x&f(x)\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
-2&0\\2&15\\7&30
\end{array}
\qquad 
\begin{cases}
x_1=2\\
x_2=7
\end{cases}\implies \cfrac{f(7)-f(2)}{7-2}\implies \cfrac{30-15}{5}
\\\\\\
\cfrac{15}{5}\implies 3$

5 0

3 years ago

Which of the following are solutions to the cubic equation x^3+4x^2+4x=0

viktelen [127]

Answer:

337285

Step-by-step explanation:

3 0

3 years ago