Math 7 grade 7
can anyone me answer these questions? soon as possible!
i need the answer either dependent or independent.
introduction to probability (independent vs. dependent) events
1. lily picks a marble at random puts it back and then picks another marble at random.
are these events dependent or independent?
2. tracy picks a card at random. without putting the first card back, she picks a second card at random.
are these events dependent or independent?

One integer is 8 times another. if the product is 72, then find the integers

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?