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Benjamin has a 0.7 chance of passing his driving test the first time and a 0.85 chance of passing the second time. What is the probability of his passing on either the first or second try?

The probability of passing at either the first or second time round is P(passing first time) + P(taking the test for a second time then passing)
= 0.7 + (0.85 x 0.3)= 0.7 + 0.255= 0....

RF
Answered by Rob F. Maths tutor
4058 Views

Expand the brackets (2x + 3)(3x - 1)

Use the crab claw method to expand the bracket. Draw two lines above the equation from the 2X, one to the 3X and one to the -1. Draw another two lines below the equation from the +3, one to the 3X and one...

CM
Answered by Caitlin M. Maths tutor
7755 Views

Explain how blood glucose levels are controlled in the body of someone who does not have diabetes.

If blood sugar levels are too high insulin is released from the pancreas so glucose is moved into cells. If blood sugar levels are too low glucagon is released and stimulates conversion of glycogen to glu...

IL
Answered by Isabelle L. Biology tutor
11240 Views

What is meant by a strong acid?

When the acid is completely or fully ionised in aqueous solution or if it is dissolved in water.

IL
2069 Views

What does the vertical jump test measure and how would this be suitable for a netball player?

The vertical jump test measures leg power. It would be suitable for a netball player as leg power is needed to not only perform certain actions, such as pivoting or running but also to jump for the ball. ...

IL
5813 Views

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