tania brings 8.32 to the candy store. she wants to buy 21 jawbreakers does she have enough money? round your answer down to the
1 answer:
You might be interested in
Answer:
The distance between 12m-sides is .
Step-by-step explanation:
It is given that the parallelogram has sides 10m and 12m and an angle of 45°.
Draw an altitude from one 12m side to another 12 m side as shown in below figure.
The opposite angles of parallelogram are same. Two angles are obtuse angles and two are acute angle.
Since angle C is acute angle therefore it must be 45 degree.
Therefore the distance between 12m-sides is .
Answer:
a) 0.8413
b) 0.6293
Step-by-step explanation:
Data provided:
Mean tax paid = $2000
Standard deviation = $500
Sample size, n = 625
n=625
Now,
a) P( average tax paid on the sample forms is greater than $1980)
⇒ P(X > 1980)
or
⇒
or
⇒
or
⇒ P(Z > -1)
or
= 0.8413 (From standard normal table)
b) P(more than 60 of the sampled forms have a tax of greater than $3000)
given: p = 10% = 0.1
Now, by using CLT
mean = n × p
= 625 × 0.1
= 62.5
Standard deviation, s =
=
= 7.5
Thus,
P(X > 60)
=
or
= P(Z > -0.33)
= 0.6293 (From standard normal table)