Answer:
One proportion z test
Step-by-step explanation:
For this case, we can use the one proportion z test, this test is used when we have 2 categories and we want to see how significantly different is one from the other.
In this case, our two categories would be the toy prototype and the traditional toys.
I think it would be 50/50. But I'm not entirely sure.
Answer: 18.52
Step-by-step explanation: not exactly sure if this is right. Had to look it up sorry. (Link=https://www.mathwarehouse.com/arithmetic/square-root-calculator.php)
343−−−√49⋅7−−−−√ 49−−√7–√ 77–√
343−−−√≈18.520259177452136
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