survey, 30 people were asked how much they spent on their child's last birthday gift. The results were roughly bell shaped with

Q: In a survey, 16 people were asked how much they spent on their child's last birthday gift. The…

A: Given that : n=16 Standard deviation =$13 Mean = $49 We have to calculate 99% Confidence level :

Q: Find the margin of error at a 90% confidence level.

A:

Q: In a survey, 28 people were asked how much they spent on their child's last birthday gift. The…

A:

Q: In a survey, 32 people were asked how much they spent on their child's last birthday gift. The…

A: Given  sample size n=32 mean x¯=$33 standard deviation s=$12 confidence level =80%,…

Q: In a survey, 13 people were asked how much they spent on their child's last birthday gift. The…

A: Given, Sample size, n = 13 Sample mean = 44 Sample standard deviation, s = 10 Confidence level = 80%…

Q: In a survey, 24 people were asked how much they spent on their child's last birthday gift. The…

A: From the available information, Sample size, n =24 Sample mean, x = 31 Sample standard deviation, s…

Q: In a survey, 21 people were asked how much they spent on their child's last birthday gift. The…

A: It is given that sample mean is 50 and standard deviation is 12.

Q: n a survey, 25 people were asked how much they spent on their child's last birthday gift. The…

A: Givensample size(n)=25Mean(x)=38standard deviation(s)=19confidence interval(c)=98%

Q: In a survey,  17 people were asked how much they spent on their child's last birthday gift.  The…

A: Solution: Given information: n= 17 Sample size  x= $37  Sample mean s= $11 Sample standard deviation…

Q: In a survey, 15 people were asked how much they spent on their child's last birthday gift. The…

A: The sample mean is 32 and standard deviation is 14.

Q: In a survey, 12 people were asked how much they spent on their child's last birthday gift. The…

A: Since population standard deviation is unknown, Use t-distribution to find t-critical value. Find…

Q: In a survey, 13 people were asked how much they spent on their child's last birthday gift. The…

A: From the provided information, Sample size (n) = 13 Sample mean (x̄) = 34 Sample standard deviation…

Q: In a survey, 30 people were asked how much they spent on their child's last birthday gift. The…

A:

Q: A survey of 97 random homeowners in my neighborhood had a mean of $720 spent on lawn care. Construct…

A:

Q: In a survey, 25 people were asked how much they spent on their child's last birthday gift. The…

A: Confidence Interval: In statistics, we can say a range of values of the specified population…

Q: In a survey, 22 people were asked how much they spent on their child's last birthday gift. The…

A:

Q: he standard deviation and the mean of 25 students scores are 10 and 38, respectively. Construct a…

A: Given that  Sample size (n) = 25 Mean (x¯) = 38 Standard deviation (s) = 10 Confidence level (C) =…

Q: The winning team’s scores in 11 high school basketball games were recorded. If the sample mean is…

A: Therefore,

Q: In a survey, 23 people were asked how much they spent on their child's last birthday gift. The…

A: We have given that  Sample size n =23 Sample mean =42  Standard deviation =8

Q: In a survey, 26 people were asked how much they spent on their child's last birthday gift. The…

A: The information provided in the question are as follows :- Sample size (n) = 26 Sample mean (x̄) =…

Q: ce level.

A: Margin of error can be defined as  MOE=tc×σn  Given data :  n=21 sample mean=42 sample standard…

Q: In a survey, 41 people were asked how much they spent on their child's last birthday gift. The…

A:

Q: In a survey, 18 people were asked how much they spent on their child's last birthday gift. The…

A:

Q: A survey of 73 randomly selected homeowners finds that they spend a mean of $74 per month on home…

A: Solution