Jacob's science teacher told him that his average score for the 7 tests this semester was 82. if jacob makes 100 on the next test, how high will his average be?

Jacob's score will be high by 2.25.

Step-by-step explanation:

Average:

The ratio of total marks to the number of test.

Jacob's average score was 82 for 7 tests.

Total score of Jacob was = (82×7)

                                          =574

Jacob makes 100 the next test.

After this test, his total score=574+100

                                               =674.

Now, he gave total (7+1)=8 test.

His average score will be

=84.25

His average score will high = (84.25-82)

                                              = 2.25.

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0

if the pizza is divided equally into 2 equal halves then you would get

πr^2/2

where r is the radius of the pizza.

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