7. Resolver: Cuantas cajas de 30cm*90cm* 78 cm
caben en un contenedor de 180cm*4m*2m
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Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Which is greater, 7 p 5 or 7 c 5? 7p5 7c5