Answer:
15 scores are less than 90
Step-by-step explanation:
Total 11 scores are less than 90 not 15
Answer:
1 (anything with the exponent of 0 always equals 1)
Step-by-step explanation:
Answer:
The number is
students
Step-by-step explanation:
From the question we are told that
The population mean is
The standard deviation is 
The sample size is n = 2000
percentage of the would you expect to have a score between 250 and 305 is mathematically represented as

Generally

So


From the z table the value of 
and 


The percentage is 
The number of students that will get this score is


Answer:
Here are pictures of the graph and corresponding table. Hope this helps!
Step-by-step explanation:
Answer:
The estimated expense would be about $1000.00 in which taxzation and inflation is unaccounted for.
Step-by-step explanation: