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3 years ago

A survey of 125 households was done to investigate whether households have laptops, tablets, or

Mathematics

1 answer:

riadik2000 [5.3K]3 years ago

4 0

Answer:

3) 0.326

Step-by-step explanation:

Total Number of surveyed households =125

We want to determine the probability that a randomly selected household would have a laptop given that it does not have a tablet.

Written in Probability notation: P(Laptop|No Tablet)

$P(Laptop|No Tablet)=\dfrac{P(L\cap T')}{P(T')} \\=\dfrac{31/125}{95/125}\\=\dfrac{31}{95}\\\\=0.326$

The correct option is C,

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z-score = 0.8907

Comparing values:

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