3 years ago

What's the answer to this problem?

1 answer:

3 0

X/2 - 7 = 9
x/2 = 9 + 7
x/2 = 16
x = 32

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DedPeter [7]

Answer:

The probability is 0.8944

Step-by-step explanation:

The probability of Z<1.25 in a normal distribution is

P(Z<1.25) = 0.5 + P(Z<1.25)

P(Z<1.25) = 0.5 + 0.3944

P(Z<1.25) = 0.8944

Hence, the probability of randomly selecting a z-score less than z = 1.25 from a normal distribution is 0.8944

8 0

2 years ago

mylen [45]

Answer:

Step-by-step explanation:

Morning: $4\frac{7}{8} +1\frac{2}{3} =\frac{39}{8} +\frac{5}{3} =\frac{117}{24} +\frac{40}{24}=\frac{157}{24}$

Afternoon: $3\frac{5}{6} +2\frac{7}{12} =\frac{23}{6} +\frac{31}{12} =\frac{92}{24} +\frac{62}{24}=\frac{154}{24}$

Therefore, the hiker's hiked $\frac{3}{24}$ more in the morning than in the afternoon.

3 0

1 year ago

horsena [70]

I think it’s the last one I am not sure tho

8 0

2 years ago

Virty [35]

Answer:1251231

Step-by-step explanation:

4 0

2 years ago

Aliun [14]

Answer:

Step-by-step explanation:

10a² : 5a² = 10 : 5 = 2

3 0

2 years ago