Answer:
? = 26 in
Step-by-step explanation:
Using Pythagoras' identity in the right triangle.
The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is
?² = 24² + 10² = 576 + 100 = 676 ( take the square root of both sides )
? = = 26
Answer:
a
The null hypothesis is
The alternative hypothesis is
b
The sample proportion is
Step-by-step explanation:
From the question we are told that
The sample size is n = 546
The number of people that use a laptop overnight is
The population proportion is
Generally
The null hypothesis is
The alternative hypothesis is
Gnerally the sample proportion is mathematically represented as
=>
=>