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Firdavs [7]
3 years ago
7

P=300 r=7% t=2 what is i

Mathematics
2 answers:
Romashka-Z-Leto [24]3 years ago
7 0
Huh what ae you mi gust se nula de moi
Mkey [24]3 years ago
3 0
The answer would be $42                             
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e 400 trials in which the assistant maintained a neutral expression, the driver stopped in 229 out of the 400 trials. Find a 95%
Fittoniya [83]

Answer:

Step-by-step explanation:

n = 400

Proportion p = 229/400= 0.5725

For 95% confidence interval we use Z value as 1.96

Std error = 0.025

margin of error = 1.96*0.025

Confidence interval 95% = 0.5725±Margin of error

= (0.524, 0.621)

b) When smiled x becomes 277

p = 0.6925

Std error = 0.023

Margin of error= 1.96*0.023

Confidence interval = (0.647, 0.738)

Smiling increases the chances of stopping since mean and conidence interval bounds are showing increasing trend.

6 0
3 years ago
Simplifying by adding, subtracting, multiplying, or dividing: (2/3)-(2/5)
Volgvan
The answer is 4/15 or .26 with the 6 repeating forever.
Explanation: Least common multiple of 3 and 5 is 15. 2*5=10, 2*3=6. 10/15-6/15=4/15.
8 0
3 years ago
If f(x) = 2x + 1, find f(1).
____ [38]

Answer:

3

Step-by-step explanation:

5 0
3 years ago
What are two different ways of saying "find the<br> solution"?
just olya [345]

Answer:

find the difference.   find the sum

Step-by-step explanation:

5 0
3 years ago
find the least whole number which must be added to 207 to make it divisible by 17 please no links brainliest​
Nadusha1986 [10]

Answer:

14

Step-by-step explanation:

I am preatty sure its 14 hope this helps

4 0
3 years ago
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