Increasing numbers of businesses are offering child-care benefits for their workers. However, one union claims that 90% of firms in the manufacturing sector still do not offer any child-care benefits to their workers. A random sample of 370 manufacturing firms is selected, and only 34 of them offer child-care benefits. Test the union's claim at the 0.05 level of significance.

Michelle and julie work at a catering company. they need to bake 264 cookies for a birthday party that starts in a little over an hour and a half. each tube of cookie dough claims to make 36 cookies, but michelle eats about 1/5 of every tube and julie makes cookies that are 1.5 times as large as the recommended cookie size.it takes about 8 minutes to bake a container of cookies, but since julie's cookies are larger, they take 12 minutes to bake. a. how many tubes should each girl plan to bake? how long does each girl use the oven? b. explain your solution process what did you make? c. what assumptions did you make?