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olasank [31]
3 years ago
10

450 students are graduating from Big Lake High School this year. 68 percent of these students plan to go to college next year. 1

4 percent plan to start working. The rest of the students don't know what they're going to do yet. How many students are not sure what they are going to do after graduating from high school
Mathematics
2 answers:
lidiya [134]3 years ago
5 0
68%(plan to go to college) + 14%(plan to start working) = 82%
100% - 82% = 18% (<span>students don't know what they're going to do )
</span>
450 x 0.18 = 81

answer: 81 students <span>are not sure what they are going to do after graduating from high school</span>
ivanzaharov [21]3 years ago
3 0
81 Students aren't sure what they are going to be doing.

First, find the number of students for each category by multiplying the percentage:

450 x .68 = 306 (306 students want to go to college)
450 x .14 = 63 (63 students are going to begin working)

Add 306 + 63 students to get 369 total students who know what they want to do.
Subtract this number from 450 students total (450-369) to get 81 students who are unsure of what they will do after graduating.
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Which probability distribution table corresponds with this frequency distribution table
nlexa [21]

Answer:

A.

\begin{array}{cccccc}x&1&2&3&4&5\\f&0.2&0.3&0.05&0.2&0.25\end{array}

Step-by-step explanation:

First find the sum

\sum f=4+6+1+4+5=20.

Now, find the probabilities:

  • Pr(x=1)=\dfrac{4}{20}=\dfrac{1}{5}=0.2;
  • Pr(x=2)=\dfrac{6}{20}=\dfrac{3}{10}=0.3;
  • Pr(x=3)=\dfrac{1}{20}=0.05;
  • Pr(x=4)=\dfrac{4}{20}=\dfrac{1}{5}=0.2;
  • Pr(x=5)=\dfrac{5}{20}=\dfrac{1}{4}=0.25.

Hence, the frequency distribution table is

\begin{array}{cccccc}x&1&2&3&4&5\\f&0.2&0.3&0.05&0.2&0.25\end{array}

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Answer: x = 40  and  y = 40

Step-by-step explanation:

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We can write the equation for the perimeter as: 2x + 2y = 160

An easy way to solve a question like this is to graph both equations on a graphing calculator, if you don't have one on you you can use Desmos

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