Answer:
0.35
Explanation:
- P ( B and D )
- 0.5 * 0.7
- 0.35
<u>Follow the branch B and then branch D</u>
- multiply both the selected probabilities to calculate total probability.
Thissss isssss the rest
1 answer:
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Answer:
Option 3 is right
z37 is between 2 and 3 standard deviations of the mean.
Step-by-step explanation:
Let X be a random variable which represents the mean number of miles that the employees in a department live from work
X is normal (N(29,3.6)
WE have to find Z score for X
Z =
=2.22
i.e. 37 is 2.22 std deviations from the mean.
In other words, z37 is between 2 and 3 standard deviations of the mean.
Answer:
Step-by-step explanation:
When there is a ( + ) in front of an expression in Parentheses, there is no need to change the sign.
That means the expression remains the same.
⇒
Move 5/3 to right hand side and change it's sign
⇒
While performing the addition or subtraction of like fractions , you just have to add or subtract the numerator respectively in which the denominator is retained same.
⇒
Calculate
⇒
Divide -39 by 3
⇒
Hope I helped!
Best regards!!