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Fudgin [204]
3 years ago
7

Reports say that the mean birth weight of babies of European heritage is 3.5 kg. Marta wants to perform a significance test to s

ee if this holds true in her nation. She takes a random sample of babies and observes a mean birth weight of xˉ=3.43 kg.Here's Marta's null hypothesis:H0 : The mean birth weight in this nation is...What is an appropriate way for Marta to finish her null hypothesis statement?a. ... not equal to 3.43 kg.b. ...equal to 3.43 kg.c. ... equal to 3.5 kg.d. ... equal to 3.5 kg.
Mathematics
1 answer:
Svet_ta [14]3 years ago
8 0

Answer:

what was the answer?

Step-by-step explanation:

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Tobias sent a chain letter to his friends, asking them to forward the letter to more friends. The number of people who receive t
malfutka [58]

Answer:

  • P(t)=37\times (4)^{(t/9.1)}

Explanation:

The number of emails is multiplied by <em>4</em> every <em>9.1 weeks.</em>

Thus, since <em>Tobias initially sent the chain letter to 37 friends</em>, the number of letters will grow as per this geometric series:

Start:        37 letters

  • In 9.1 weeks: 37 × 4

  • In 2 × 9.1 weeks: 37 × (4)²

  • In 3 × 9.1 weeks: 37 × (4)³

As you see, the exponent is the number of weeks divided by 9.1

Thus, if your variable is the number of weeks, t, then the exponent is t/9.1

And the exponential function, P(t) will be:

   P(t)=37\times (4)^{(t/9.1)}

3 0
3 years ago
What’s this guys ? I’ve been stuck on this ‍♀️
Harrizon [31]
SOLUTION:

Let's establish the formula for a cylinder as displayed below:

Let volume of cylinder = V

V = ( Pi )r^2h

Now let's substitute the values from the problem into the formula to find the volume.

V = ?

r = 8

h = 4

V = ( Pi )( 8 )^2( 4 )

V = ( Pi )( 64 )( 4 )

V = ( Pi )( 256 )

V = 256( Pi )

FINAL ANSWER:

Therefore, the answer is:

C. 256( Pi ) units^3

Hope this helps! :)
Have a lovely day! <3
3 0
3 years ago
Tell whether (1,6) is a solution of y = x + 7
andrezito [222]

Answer:

no it is not a solution.READ THE WHOLE EXPLANATION! IT WILL HELP WITH THE OTHER PROBLEMS!!!!

Step-by-step explanation:

when something like (1,6) is written consider it as (x,y). in this case, 1 is considered as x, and 6 is considered as y. if you substitute these number for x and x and y, (x =1 and y =6), you'll see that the equation will go from y=x +7, to 6=1+7. Which is not true.

5 0
3 years ago
Read 2 more answers
Y=2x-4 what is say the y intercept?
Afina-wow [57]

Answer:

-4

Step-by-step explanation:

The number that is by itself is always the y-intercept

5 0
3 years ago
A tree grows 1/4foot in 1/12 year .Write the rate at which this tree grows
konstantin123 [22]

Answer:

3inches each month or 36inches in a year

Step-by-step explanation:

5 0
3 years ago
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