Researches studied the communication via sending sms. Certain results of the random sample survey are presented...

 

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Researches studied the communication via sending sms. Certain results of the random sample survey are presented in the following table. According to the research, the number of characters in sms' follows a normal distribution. Number of Number of sent characters/sms sms -50 50<-80 80<. 110 18 21 110<- 150 26 150<-200 16 200<- 250 250<- 9. 4. Estimate at confidence level the proportion of the sms' with maximum 110 characters. The stand error is the lowe terval limit is the upper interval limit is Give the values with 2 decimals. confidence level is 95 percent Researches studied the communication via sending sms. Certain results of the random sample survey are presented in the following table. According to the research, the number of characters in sms' follows a normal distribution. Number of Number of sent characters/sms sms -50 50<-80 80<. 110 18 21 110<- 150 26 150<-200 16 200<- 250 250<- 9. 4. Estimate at confidence level the proportion of the sms' with maximum 110 characters. The stand error is the lowe terval limit is the upper interval limit is Give the values with 2 decimals. confidence level is 95 percent

Answer rating: 100% (QA)

Given Information Number of CharactersSMS Given Number of SMS Given Proportion of Total SMS Calculat... View the full answer