Using a confidence interval of proportions, it is found that the correct statement is given by:
D a confidence interval for estimating the cricket's true probability of landing on its feet is more narrow after the final 10 jumps than it was before the final 10 jumps.
<h3>What is a confidence interval of proportions?</h3>
A confidence interval of proportions is given by:
In which:
is the sample proportion.
The margin of error is given by:
The margin of error is inversely proportional to the square root of the sample size, hence, the higher the sample size, the narrower the interval is, hence option D is correct.
More can be learned about a confidence interval of proportions at brainly.com/question/25890103
The answer would be 0.90 and 0.900
Answer:
$81.75
Step-by-step explanation:
So, she bought 7 pizzas that cost $11.25 each plus an additional $3 fee. Therefore, the total she spent was:
7(11.25)+3
Multiply:
78.75+3=$81.75
And we're done!
Answer:
The given parameters of the study are;
The number of people in the sample, n = 200
The p-value = 0.013
The average increase between fall and spring semester = $0.35
Therefore, we have;
Given that the p-value is less than 0.05, we reject the null hypothesis, and that there is significant statistical evidence to suggest that there is a difference between the fall and spring semester tuition at universities across the U.S.
Step-by-step explanation:
Answer:
1/27
Step-by-step explanation:
If he has 9 coins in total which gives him a 1/9 chance to pull any random coin he would also have a 1/3 chance to pull a dime from the given 9 coins. YOu multiply the likelihood of the situations together to get a final probablity of 1/27
