Determine the type of sampling method and if the question being asked is biased, and
explain. Sasha wants to
determine how much time her classmates spend on their
phones.

She has them answer the following:
How much do you stay online daily:
a) Over 6 hours (too much!)
b) Over 4 but under 6 hours (A lot)
c) Over 2 but under 4 hours (Good amount)
d) Under 2 hours (I am not good with tech

answer: the answer is 30 miles per hour.

ft/s -> mphmph = ft/s 1.466667mph = 44 divided by 1.466667mph = 30.00000

- r3ktforgood ☕

d. 24+-0.114

step-by-step explanation:

the question requires us to calculate the approximate 95% confidence interval for the mean number of ounces of ketchup per bottle in the sample given the following statistics;

sample mean = 24

standard deviation, σ = 0.4

sample size , n = 49

the confidence interval for a population mean is calculated using the formula;

sample mean ± z-score*(σ/sqrt(n))

the z-score associated with a 95% confidence interval, from the standard normal tables, is;

1.96

substituting these values into the formula;

24 ± 1.96*(0.4/7)

= 24 ± 0.112

from the alternatives given, choice d is closest to the above expression;

80x^8−68x^6+16^5−20x^4−4x^3+8x^2

hope i'm right lol