Aconsumer products company is formulating a new shampoo and is interested in foam height (in millimeters). foam height is approximately normally distributed and has a standard deviation of 20 millimeters. the company wishes to test h0: μ⁢=175 millimeters versus h1: μ⁢> 175 millimeters, using the results of n=4 samples. calculate the p-value if the observed statistic is x¯=180. round your answer to four decimal places (e. g. 98.7654).

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

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?