The table shows a student’s results from spinning the pointer 30 times. Find the experimental probability that the pointer lands in a section with a number greater than or equal to 3 a. Find the theoretical and experimental probabilities that the pointer lands in a section with a number greater than or equal to 2.

b. What might have caused the theoretical and experimental probabilities to be​ different?

Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain

Aregular pan has a length that is 4/3 the width. the total area of the pan is 432in.2. what is the width of the cake pan?

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?