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Tomtit [17]
4 years ago
9

Boris is riding his bike on a path of hard sand. When he rides on a paved path, he can pedal his bike more easily. He can ride m

ore easily on pavement because there is less
A)
drag.


B)
lift.


C)
friction.


D)
gravity.
Biology
2 answers:
Alexandra [31]4 years ago
8 0
Your answer would be C friction.
ikadub [295]4 years ago
4 0
OOH OOH PICK ME. I'M A GOOD CHOICE




c
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If ∪X-∪Y∠0 then we can say that nitrates decrease the number of amino acids which is taken.
Hypothesis test.
H0:∪X-∪Y=0Vs. Where H1:∪X-∪Y∠0.
Sample for X = 7880 and Y = 8112 and Sx∧2=variance sample for X = 1115∧2 = 1243225 and Sy∧2 = variancesample for Y= 1250∧2 = 1562500. The size of the sample = 30 for both cases.
Test statistics is Z =((7880-8112)-0)/squareroot (1243225/30+1562500/30) = 0.758623)
Value of P = P(Z∠z)
=P(Z∠-0.758623).
Since P-value is greater than the importance of 0.02, we can not reject the null hypothesis. The conclusion is that ∪x-∪y =0 a good example is nitrates does not decrease the number of amino acid which is taken.
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