Answer:
-2
Step-by-step explanation:
23x + 1 > - 45
or, 23x > - 45 - 1
or, 23x > - 46
or, x > - 46/23
or, x > - 2
hope it will help you☺
Answer:
0 and 1
Step-by-step explanation:
Given that,
The distribution of certain test score is non- standard normal distribution with mean 50 and a standard deviation of 6.
we know that the
standard normal deviation has mean 0 and standard deviation 1.
So, All test scores have been standardized by converting them to z score.
mean = 0 and standard deviation= 1
Answer is 11/15
This is the answer
Gemma gets 6 Biscuits and Zak gets 24 Biscuits.
The correct statement is: 'A standard normal distribution has a mean of <u>0 </u> and a standard deviation of <u> 1 </u> '
The correct answer is an option (b)
In this question, we need to complete given statement.
We know that the normal distribution is a symmetrical and bell-shaped distribution.
In standard normal distribution the mean, median and mode are all equal. Also, it always has a mean of zero and a standard deviation of one.
So, A standard normal distribution has a mean of <u> 0 </u> and a standard deviation of <u> 1 </u> .
Find more about standard normal distribution:
brainly.com/question/29509087
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