Statistics: Ch 9 Hypothesis Testing (25 of 35) Population Inference from a Random Sample: Ex

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In this example we will take a sample and infer something about the population by find the level of confidence where the mean of the sample falls between the mean-1 and mean+1.

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[abhinandanmalhotra]

One of the best things of your videos is that these are very short which somehow enhances curiosity to learn more....!

[carloseduardoshimosecampos]

The first comment professor 🤓. From Bolivia "Thanks" for your great videos.

[krisandrewborero]

Hi! Sorry, I just got confused. If z = 1.67, the area from the left is 0.9525. If we are only to get the probability between the mean + 1, isn't it supposed to be 0.9525 - 0.5 and the area should be 0.4525 or 45.25%?

[valeriasantos-silva]

what was the 0.6 used for in this specific problem?

[bachnguyenngoc]

i do not understand how can u search the table to know 0.4516