Math Answers

Find the coefficient of b^16 in the binomial expansion of
(2b^3 - 1/4b^2)^12

Question: In the city of hongkong 70 % of the people prefer Swabo candidate for mayoral position .suppose 30 from Hong Kong are were sampled .

i)what is the mean of the sampling description of p (sample propprtion)

ii)what is the standard error of p?

iii)what is the probability that 80% of this sample will prefer a candidate from swabo?

I would like to be help with this question


A)The weight of the adult females has a mean around ur kg and a standard deviation of 20kg .if the sample of 16 adult females choosen .

i) what is the probability that the average weight of these 16 randomly selected females will be below 60kg ?

ii)what is the probability that the average weight of these 16 randomly selected females will exceed 75kg?

iii)what is the probability that the average weight of these 16 randomly selected females will be between 65kg and 75 kg

B)in the city of Hongkong 70 of the people prefer a swamp candidate for a mayoral position .supposed 30 people from hongkong were sampled

i)what is the mean of the sampling distribution of P (sample proportion)

ii)what is the standard error of p?

iii)what is the probability that 80% of this sample will prefer a candidate from swamp?

Evaluate tan 30° without using a calculator by using ratios in a reference triangle.

1 solve triangle ABC which have
angleA=250.251,angleB=600.511anda=3.82.Findc.
angleA=250.251,angleB=600.511anda=3.82.Findc.



3-6cm
7.0cm
7.4cm
8.8cm




2 Solve triangle ABC which have
angleA=250.251,angleB=600.511anda=3.82.Findb.
angleA=250.251,angleB=600.511anda=3.82.Findb.



5.0cm
7.8cm
7.1cm
6.7cm

Your favorite team is in the final playoffs. You have assigned a probability of 60% that it will win the championship. Past records indicate that when teams win the championship, they win the first game of the series 70% of the time. When they lose the series, they win the first game 25% of the time. The first game is over; your team has lost. What is the probability that it will win the series?

Clarissa wants to buy a $5995 home entertainment system from the Legends Super Store.
Her purchasing options are as follows:

Option 1
Legends Super Store
Finance Company
• ½ deposit
• 6 months interest free and no repayments for 6 months
THEN pay the FULL balance due.

option 2
• $1250 deposit
• 24 equal monthly repayments of $265 each month.

option 3
• ⅓ deposit
• 18 equal monthly repayments of $390

a) Compare each of the loans in terms of the total monthly repayments, the interest paid and the total amount to be repaid.

the position of an object at time t is given by s(t)= -9-3t. Find the instantaneous velocity a t=8 by finding the deriative

A binomial probability experiment is conducted with the given parameters. Compute the probability of x successes in the n independent trials of the experiment.
n =9​, p =0.8​, x ≤3
The probability of x ≤3 successes is ?. ​(Round to four decimal places as​ needed.)