Tenim un nombre arrodonit a les desenes A=3,7. Al realitzar l'arrodoniment hem comés un error absolut menor o igual a 0,05. Expressa en forma d’interval entre quins valors
es troba el valor exacte (nombre sense arrodonir).

The contents of 3838 cans of coke have a mean of x¯¯¯=12.15x¯=12.15. assume the contents of cans of coke have a normal distribution with standard deviation of σ=0.12.σ=0.12. find the value of the test statistic zz for the claim that the population mean is μ=12.μ=12.

Circle o has a circumference of approximately 44in what is the approximate length of the diameter d

Ihave like no idea how to do any of this !