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Llana [10]
3 years ago
14

Please again sorry help me last one

Mathematics
1 answer:
Bezzdna [24]3 years ago
5 0

Answer:

$3.41

Step-by-step explanation:

262.94 + 83.65 = 346.59

350.00 - 346.59 = 3.41

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One of your friends is testing the effect of drinking coffee on the duration of cold symptoms. The common cold lasts, on average
Goshia [24]

Answer: 0.0930

Step-by-step explanation:

As per given , we have

H0: μcoffee = 6

Ha: μcoffee < 6

She finds z = −1.68 with one-sided P-value P = 0.0465.

The P-value for two-tailed test is calculated by :

2P(Z>|z|)

For z= -1.68 , we have

2P(Z>|-1.68|)=2P(Z>1.68)

=2(1-P(z\leq1.68))\ \ [\because\ P(Z>z)=1-P(Z\leq z)]

=2(1-0.9535213)\ \ \ [\text{ NORM.S.DIST(z, TRUE}]\\\\=2( 0.0464787)=0.0929573\approx0.0930  

Hence, the correct two-sided P-value for z = −1.68 is 0.0930 .

3 0
3 years ago
Ricardo spends 8/9 hour reading the newspaper.he spends 1/4 of the time reading the world news and splits the remaining time equ
guajiro [1.7K]
If he spends 1/4 reading the news, then he spends 3/4 reading the other stuff

3/4 * 8/9 = 24/36 = 2/3 of an hr ...time spent reading sports and comics

(2/3) / 2 =
2/3 * 1/2 = 2/6 reduces to 1/3....so he spends 1/3 of an hour (or 20 minutes) reading the comics



3 0
3 years ago
The surface area of a polyhedron is found by
Serga [27]

Answer:

sum of the areas of their faces

Step-by-step explanation:

3 0
2 years ago
I hope that someone is able to help me with this plz. Thanks.
garik1379 [7]
Unfortunately, this answer cannot be shown due to the fact it was reported apologies.
6 0
3 years ago
Read 2 more answers
Sweet tea has two orange pigs for every five Green. If there are 21 pics in all how many pigs are orange
Rama09 [41]
Since there are two orange for every five green... I added them together to get 7 then divided 21 by 7. That would give you 3. Now you multiply three by two to find the answer. 

Your answer should be 6. 
7 0
3 years ago
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