Answer:
71 cents
Step-by-step explanation:
Answer:
Katrina got 86 in her test
Step-by-step explanation:
given
mean = 80
standard deviation = 3
z-score = 2
Let score of Katrina = x
Recall z-score is calculated by
z-score = (x-mean) / standard deviation
substitute values and solve for x
2 = (x-80)/3
x-80=6
x = 86
Answer:
Please see attachment
Step-by-step explanation:
Please see attachment
I hope this helps you
when x=3 y=24
x/y=3/24
x/y=1/8
y=8x
Answer:
Between 1991 and 2013, the infant mortality rate in the United States declined from 8.943% to 5.708 %
Step-by-step explanation:
From the information given:
The number of infant deaths under 1 year in the United States during 1991 = 36,766
The number of live births during 1991 = 4,111,000


Infant mortality rate in 1991 = 8.943%
From the data of year 2013 in the United States Record, 23,446 infants died under one year

Infant mortality rate in 1993 = 5.708 %
Between 1991 and 2013, the infant mortality rate in the United States declined from 8.943% to 5.708 % which is approximately 3%