Answer:
1.) Phone processor
2.) Lithium
Step-by-step explanation:
Given that Metalloids are useful as semiconductors in modern electronics, like smartphones. Which feature of a smartphone is made possible by metalloids?
One of the features of the phone made with metalloid is the chip, the phone processor which is made from silicon.
touchscreen ability to vibrate small size long battery life An element that is likely to have this property is Lithium
The two correct answer to the question above are phone processor and Lithium.
Answer:
Yes
Step-by-step explanation:
Answer:
The value of the test statistic is 2.8.
Step-by-step explanation:
The test statistic is:

In which X is the sample mean,
is the value expected value for the population mean,
is the standard deviation and n is the size of the sample.
Sales at a fast-food restaurant average $6,000 per day
This means that 
Sample of 49
This means that 
The sample showed average daily sales of $6,400.
This means that 
Population standard deviation is about $1,000.
This means that 
The value of the test statistic is



The value of the test statistic is 2.8.