Answer:
d. There is a 98% chance that the true proportion of customers who click on ads on their smartphones is between 0.56 and 0.62.
Step-by-step explanation:
Confidence interval:
x% confidence
Of a sample
Between a and b.
Interpretation: We are x% sure(or there is a x% probability/chance) that the population mean is between a and b.
In this question:
I suppose(due to the options) there was a small typing mistake, and we have a 98% confidence interval between 0.56 and 0.62.
Interpreation: We are 98% sure, or there is a 98% chance, that the true population proportion of customers who click on ads on their smartphones is between 0.56 and 0.62. Option d.
It will be smaller than 1/4.
The reason being that 7/8 is a fraction which is less than 1, and that it can only be greater than 1/4 when the multiplying number, is a number which is greater than 1.
Note: When a positive number is multiplied by a number which is less than 1, it makes the positive number to be smaller and
When a positive number is multiplied by a number which is greater than 1, it makes the positive number to be bigger.
Answer:
Firstly this is all about luck my predictions is impossible to be accurate
ANyways i think ther are 30 red,10 green and 60 blue
Step-by-step explanation:
7 red marbles, 2 green marbles and 11 blue marbles.
Firstly this is all about luck my predictions is impossible to be accurate
ANyways i think ther are 30 red,10 green and 60 blue
Answer:

Step-by-step explanation:
Given:

Let us assume that this equation is equal to 0.
Hence 
Now Solving the above equation we get,

Hence by solving the equation we get 