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Shkiper50 [21]
3 years ago
12

OCHO niños seleccionados al azar para ir en un carro alegorico en un desfile pesan: 62, 54, 85, 50, 76, 49, 66 y 70 libras. A) C

on el 90% de confianza, ¿ Que podemos afirmar acerca del error máximo al estimar el peso medio de la población de todos los niños de los cuales provino esta muestra como 64 libras? B) Construya un intervalo de confianza del 99% del peso medio de todos los niños de los cuales provino esta muestra
Mathematics
1 answer:
Alina [70]3 years ago
3 0

Answer:

Step-by-step explanation:

bjsjbkj is muisjm  isu auisbm buis iusa uisb sui ausius suasu su usma usus  usausus ususinuhsshsu u su su suususujsusubsubs busbusus su susbu susu su susbu sub su su us us u u us u aubs aubs ua us auud snud .sus m ;usndiu smudiiiiiii msuidb smuid smiusd smkiudbsiud bsiudb siu basdu

poda lusu koothi

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Step-by-step explanation:

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21. what are the excluded values of the function? y= 5/6x-72
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7 0
3 years ago
You plan to go skiing this weekend in Tennessee. The ski resort charges $18.50 per hour in addition to a $100 deposit to rent sk
Rina8888 [55]

Answer:

Part a) y=18.50x+100

Part b) The total cost is \$220.25

Part c) see the explanation

Step-by-step explanation:

Part a) Write a linear equation to represent this situation

Define the variables

Let

x ----> the number of hours

y ----> the total cost in dollars

we know that

The linear equation in slope intercept form is equal to

y=mx+b

where

m is the slope or the unit rate

b is the y-intercept or initial value (value of y when the value of x is equal to zero)

In this problem we have that

The unit rate or slope is equal to

m=\$18.50\ per\ hour

The y-intercept or initial value is equal to

b=\$100

substitute

y=18.50x+100

Part b) Use the equation to find the total cost to rent skis from 8:30 am to 3:00 pm

Remember that

3:00 pm=15:00

so

from 8:30 am to 3:00 pm, the total hours is equal to

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For x=6.5 h

substitute in the linear equation and solve for y

y=18.50(6.5)+100\\y=\$220.25

Part c) What does your answer mean in context of the problem?

we have that

y=220.25

That means -----> The total cost to rent skis for 6.5 hours is equal to $220.25

8 0
3 years ago
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