A bag contains eight blue marbles six Green marbles 12 yellow marbles and 10 orange marbles a marble is drawn at random from the
1 answer:
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Answer:3 minute
Step-by-step explanation:
Sakura speaks hungarian =150 words per minute
Sakura speaks polish =190 words per minute
and it is given she speaks 270 more words in polish than in hungarian
She speaks for a total of 5 minutes
let she speaks hungarian for t mins
therefore
t=2 mins
therefore sakura speaks hungarian for 2 mins and polish for 3 mins
Answer: (1.55, 6.45)
Step-by-step explanation:
The confidence interval for population mean is given by :-
Given : Significance level :
Critical value :
Sample size : n=41
Sample mean :
Standard deviation :
Then, 99% confidence interval for population mean will be :_