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Andrew [12]
2 years ago
8

In the flexed arm​ condition, what is the probability that a consumer has a choice score of

Mathematics
1 answer:
Flauer [41]2 years ago
6 0
<span>A study was conducted to determine if consumers are more likely to choose a vice product (e.g., a candy bar) when their arm is flexed (as when carrying a shopping basket) than when their arm is extended(as when pushing a shopping cart). The study measured choice scores (on a scale of 0 to 100, where higher scores indicate a greater preference for vice options) for consumer shopping under each of the two conditions. The average choice score for consumers with a flexed arm was 60, while the average for consumers with an extended arm was 43. For both conditions, assume that the standard deviation of the choice scores is 6. Also assume that both distributions are approximately normally distributed. Complete part a. a. In the flexed arm condition, what is the probability that a consumer has a choice score of 56 or greater? what is the probability that a consumer in the extended arm condition has a choice score of 56 or greater?</span>
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The olsen agricultural company has determined that the weight of hay bales is normally distributed with a mean equal to 80 pound
Marina86 [1]
Normalcdf(78, 82, 80, 8/√(64)) = 0.9544997361

The standard deviation of the sample mean will be 8/√64 = 1, so you are asking for the probability that the value will be within 2 standard deviations of the mean. This is a number most statistics students are asked to memorize.

Your probability is about 0.9545.
4 0
2 years ago
Enter the expression 2cos2(θ)−1 , where θ is the lowercase Greek letter theta. 2cos2(θ)−1 2 c o s 2 ( θ ) − 1 = nothing
yulyashka [42]

We have to evaluate

=2 cos 2Ф - 1

⇒cos 2Ф

A =2cos²Ф-1

 B =1 -2 sin²Ф

 C = cos²Ф - sin²Ф

Possible Answers are

1.

=2 ×(2cos²Ф-1)-1

=4cos²Ф-2-1

=4cos²Ф - 3

2.

=2×(1 -2 sin²Ф)-1

=2- 4sin²Ф-1

=1 - 4sin²Ф

3.

=2× ( cos²Ф - sin²Ф) -1

=2 cos²Ф - 2sin²Ф-1

8 0
2 years ago
Piper works at a camera store. He is pain an hourly rate plus 16% commission on everything he sells. One week, he was paid $365
MAXImum [283]
I believe it's a) $6.25

Hope this helped!<span />
5 0
2 years ago
Read 2 more answers
Help me please,Thanks
Ann [662]
The answer is 24m^2 i just finished that test and that was the answer.<span />
4 0
2 years ago
This figure is made up of a triangle and a semicircle.
salantis [7]
We know that

[the area of semicircle]=pi*r²/2
for r=3.5 units
[the area of semicircle]=pi*3.5²/2---> 19.24 units²

[the area of the triangle]=b*h/2
b=7 units
h=3 units
[the area of the triangle]=7*3/2-----> 10.5 units²

the area of the figure=19.24+10.50----> 29.74 units²----> 29.7 units ²

the answer is
 29.7 units ²
5 0
2 years ago
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