Answer:
The lower limit is 75.04
The upper limit is 78.96
Step-by-step explanation:
From the question we are told that
The sample size is
The sample mean is
The standard deviation is
Given that the confidence level is 95% then the level of significance is mathematically represented as
The critical value for obtained from the normal distribution table is
Generally the margin of error is mathematically represented as
=>
=>
The 95% confidence interval is mathematically represented as
=>
=>
Answer: 44 I believe.
Step-by-step explanation: Please mark Brainiest if I'm right.
Answer:
The answer would be 3.2, since .2 is equivalent to 1/5 ^^
The probability that the red balls can be drawn before the green ball is drawn is 3/8.
<h3>What is Probability?</h3>
The probability is the measure of the likelihood of an event to happen.
Given:
red balls= 3
white balls = 4
green balls = 1
So, Probability of red balls
=3/8
Probability of green balls
=1/7
Learn more about probability here:
brainly.com/question/14546377
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Answer:
6/10
Step-by-step explanation:
i think sorry if incorrect