Della has over 500 songs on her mobile phone, and she wants to estimate what proportion of the songs are by a female artist. She takes an SRS of 50 songs on her phone and finds that 20 of the songs sampled are by a female artist. Based on this sample, which of the following is a 99% confidence interval for the proportion of songs on her phone that are by a female artist? Choose 1 answer: 20(30) 20 + 1.96 50 20(30) 20 + 2.576V 50 0.40(0.60) 0.40 1.96 50

Della has over 500 songs on her mobile phone, and she wants to estimate what proportion of the songs are by a female artist. She takes an SRS of 50 songs on her phone and finds that 20 of the songs sampled are by a female artist. Based on this sample, which of the following is a 99% confidence interval for the proportion of songs on her phone that are by a female artist? Choose 1 answer: 20(30) 20 + 1.96 50 20(30) 20 + 2.576V 50 0.40(0.60) 0.40 1.96 50

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 30PPS

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