1955 was when the first color photo was taken
Answer:
If the scores for a test have a mean of 100 and a standard deviation of 15, what is the percentage of scores that will fall below 112? Assuming a normal distribution.
To answer this first you will want a z-score, then using either a table or a calculator turn the z-score into a percent.
To calculate a z-score : [your score - mean score] / standard deviation => (112-100)/15 => 12/15 = 0.8
Now look up the percent for a z-score of 0.8
Explanation:
Answer:
Although we might reasonably draw the boundary line between 19th century music and that of the 20th century at the beginning of World War I (1914), important developments took place well before that date. One of the most important technical developments that took place in late 19th century music was the gradual breakdown or dissolution of the system of tonality that had been an implicit aspect of Western European music since the beginning of the Baroque period. Tonal music continued to be written (and continues today); however, the practice has become a matter of choice rather than an unstated assumption.
I hope this helps.
Answer:Since this is just "tell me what it needs" I will say this is pretty good
Explanation:
Comiendo menos calorías y haciendo ejercicio es la forma más efectiva para bajar de peso. Puedes caminar 30 minutos al día y así puedes bajar de peso. Pero haciendo ejercicio sin comer sano no va hacer nada. La dieta es 80% y la comida es 20%.
