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guajiro [1.7K]
3 years ago
6

A magazine presented a lesson in hypothesis testing carried out by medical students in a biostatistics class. Students were​ bli

nd-folded and then given a​ red-colored or​ yellow-colored gummy bear to chew.​ (Half the students were randomly assigned to receive the red gummy bear and half to receive the yellow bear. The students could not see what color gummy bear they were​ given.) After​ chewing, the students were asked to guess the color of the candy based on the flavor. Of the 123 students who participated in the​ study, 70 correctly identified the color of the gummy bear.
If there is no relationship between color and gummy bear flavor, what proportion of the population of students will correctly identify the color?
Mathematics
1 answer:
zzz [600]3 years ago
6 0

Answer:

p = 0.5

Step-by-step explanation:

in order to determine what proportion of the population of students will correctly identify the color

given that

n  = 123

x = 70

sample proportion P = X/N =  70/123

P = 0.569

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Before school, janine spends 1/10 hour making the bed, 1/5 hour getting dressed, and 1/2 hour eating breakfast. What fraction of
N76 [4]
4/5 of an hour spent
6 0
3 years ago
10/16 x 2/16 = 12/16 in multiplication form
ivann1987 [24]

Correct answer:

5/64

Step-by-step explanation:

  1. Multiply the numerators: 10 × 2 = 20
  2. 16 × 16 = 256
  3. Put them together: 20/256
  4. Simplify: 20/256 = 5/64

I hope this helps!

3 0
2 years ago
Please help with this
vovangra [49]

Answer:

x=35

Step-by-step explanation:

When a is parallel to b, the two angles will add to 180

x+ 3x+40=180

Combine like terms

4x+40 =180

Subtract 40 from each side

4x= 180-40

4x= 140

Divide by 4

4x/4 = 140/4

x=35

8 0
3 years ago
ANSWER QUICK!
GREYUIT [131]
The actual answer is 5.66666666
The reason is that because he made 238 over 42 months you divide 238$ by 42 months
5 0
3 years ago
Which of the following trigonometric inequalities has no solution over the interval 0 ≤ x ≤ 2pi radians?
valentinak56 [21]

Answer:

A .cos(x)<1

Step-by-step explanation:

According to the first inequality

cos(x)<1

x < arccos 1

x<0

This therefore does not have a solution within the range 0 ≤ x ≤ 2pi

x cannot be leas than 0. According to the range not value, 0≤x which is equivalent to x≥0. Thus means otvis either x = 0 or x> 0.

For the second option

.cos(x/2)<1

x/2< arccos1

x/2<0

x<0

This inequality also has solution within the range 0 ≤ x ≤ 2pi since 0 falls within the range of values.

For the inequality csc(x)<1

1/sin(x) < 1

1< sin(x)

sinx>1

x>arcsin1

x>90°

x>π/2

This inequality also has solution within the range 0 ≤ x ≤ 2pi since π/2 falls within the range of values

For the inequality csc(x/2)<1

1/sin(x/2) < 1

1< sin(x/2)

sin(x/2)> 1

x/2 > arcsin1

X/2 > 90°

x>180°

x>π

This value of x also has a solution within the range.

Therefore option A is the only inequality that does not have a solution with the range.

6 0
3 years ago
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