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Zarrin [17]
3 years ago
9

A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 678 babies were​ born, a

nd 339 of them were girls. Use the sample data to construct a ​99% confidence interval estimate of the percentage of girls born. Based on the​ result, does the method appear to be​ effective?
Mathematics
1 answer:
suter [353]3 years ago
7 0

Answer:

We are 99% confident that the true proportion of female babies is captured by the interval from

0.8001

to

0.8999

.

Step-by-step explanation:

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CaHeK987 [17]

Answer:

375000000

Step-by-step explanation:

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5 0
2 years ago
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Help Find the lateral area of this pyramid whose base is an equilateral triangle. Its slant height is 14 ft and the length of ea
kenny6666 [7]

Answer:

168 ft²

Step-by-step explanation:

The equation for the lateral area of a square pyramid is LA = (Pl/2)

Plug in the values LA = (24(14)) / 2

LA = 336/2

LA = 168 ft²

8 0
3 years ago
Round 9118 to the nearest ten
gavmur [86]

(8)=ones place

(1)0=tens place

(1)00=hundreds place

(9)000=thousands place

The "1" beside the 8, is the tenths spot so you would round that part of the number.

Therefore the answer would be:

9120

6 0
3 years ago
Which of the following is equal to √16x4?<br> A. 32 B. 64 C. √16/4 D. √16•√4
Varvara68 [4.7K]

Answer:

none

Step-by-step explanation:

there no answer in the options provided because 16×4 will give you 64 and square root of 64 is 8.

4 0
3 years ago
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Ok I need help with this
Alborosie

Answer:

4 to 7 is pretty much 4 divided by 7 which = 4/7 and 7/4 is 1 3/4. which is obviously greater. So they both equal different answers.

5 0
3 years ago
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