subject
Mathematics, 10.06.2020 16:57 korban23

Un fabricante afirma que la resistencia promedio a la tensidn ios tornillos A exceden la de los tornillos B al menos en 12 kilogramos. Para probar esta afirmación, se examinan 50 piezas de cada tipo de tornillo bajo çondiciones similares. El tornillo tipo Á tuvo una resistencia promedio a la tensión de 86.7 kilogramos con una desviación estándar de 6.28 kilogramos, mientras para el tornillo tipo B, estos mismos parámetros fueron de 77.8 kilogramos y 5,6/ ki19gr?mÓsl 'respectivamente. Compruebe la afirmación del fabricante utilizando un nivel de significancia de 0.05.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 13:00
Which function has the smallest y-intercept value
Answers: 2
question
Mathematics, 21.06.2019 18:30
Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4
Answers: 2
question
Mathematics, 21.06.2019 20:00
Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?
Answers: 1
question
Mathematics, 21.06.2019 20:00
One hectometer is a) 1/1000 of a meter. b) 1/100 of a meter. c) 10 meters. d) 100 meters. e) 1000 meters.
Answers: 1
You know the right answer?
Un fabricante afirma que la resistencia promedio a la tensidn ios tornillos A exceden la de los torn...
Questions
question
Chemistry, 18.09.2020 16:01
question
History, 18.09.2020 16:01
question
Mathematics, 18.09.2020 16:01
question
Mathematics, 18.09.2020 16:01
question
Mathematics, 18.09.2020 16:01
question
Mathematics, 18.09.2020 16:01
question
Mathematics, 18.09.2020 16:01
question
Mathematics, 18.09.2020 16:01
question
Mathematics, 18.09.2020 16:01
question
Mathematics, 18.09.2020 16:01
question
Mathematics, 18.09.2020 16:01
question
Biology, 18.09.2020 16:01
question
Mathematics, 18.09.2020 16:01
question
Mathematics, 18.09.2020 16:01
question
History, 18.09.2020 16:01
question
Mathematics, 18.09.2020 16:01
question
Mathematics, 18.09.2020 16:01
question
Mathematics, 18.09.2020 16:01
question
Mathematics, 18.09.2020 16:01
Questions on the website: 13722363